Charlestown, MA

11:07 PM EDT on May 21, 2013 (GMT -0400)
Elev: 72 ft
Lon: 71.1° W
Lat: 42.4° N
Source
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Oklahoma Tornado: More coverage on Catastrophic EF-5 Tornado in Oklahoma
News
Miles and Minutes: Okla. Tornado By the Numbers
May 21, 2013
See the facts and figures that defined the Moore, Okla. tornado.
Moore Tornado a Rare EF5
May 21, 2013
EF5/F5 tornadoes are rare, but Moore has seen two of them in the past 15 years.
Power of Moore Tornado Dwarfs Hiroshima Atomic Bomb
May 21, 2013
Wind, humidity and rainfall combined precisely to create the massive killer tornado in Moore, Okla. And when they did, the awesome amount of energy released over that city dwarfed the power of the atomic bomb that leveled Hiroshima.
Okla Governor: We Will Rebuild After Tornado
May 21, 2013
The search and rescue efforts are ongoing in Moore, Okla. after a massive tornado levelled the town and local schools.
Weather Imagery Reveals Oklahoma Tornado
May 21, 2013
The Moore, Oklahoma tornado showed up vividly on satellite and radar.
PTSD Risk after the Oklahoma Tornado
May 21, 2013
In the wake of Mondays devastating tornado that ravaged the town of Moore, Okla., survivors are likely to feel incredible shock and numbness.
Tornado Leaves Small Hospital 'Pretty Much Destroyed'
May 21, 2013
Officials say a tornado hit a small hospital in suburban Oklahoma City, but all the 30 patients inside survived.
Obama: 'Americans From Every Corner of This Country Will Be With Them'
May 21, 2013
Obama has declared a major disaster in Oklahoma, ordering federal aid to supplement state and local recovery efforts. The president also spoke Monday with Oklahoma Gov. Mary Fallin and Rep. Tom Cole, whose home is in the heavily damaged town of Moore.
Why Don't More Homes in Oklahoma Have Basements?
May 21, 2013
The answer lies in the level of the water table and the soil texture in Oklahoma and in states across the Plains.
Photos: Deadly Tornado Outbreak Strikes Plains
May 21, 2013
A tornado outbreak struck the Plains states on May 19, 2013, leaving widespread damage in its wake.
Children and the Tornado: Helping Kids Cope
May 21, 2013
Any time children are involved in a catastrophe, emotional reactions among survivors and across the nation are particularly strong.
Recap: Tornadoes Rake Oklahoma, Kansas, Iowa
May 21, 2013
The weather imagery, video and recap from tornadoes in the Plains on May 19, 2013.
Tornado Took Similar Path to 1999 F5
May 21, 2013
Moore, Oklahoma is no stranger to devastating tornadoes.
'I Expected Chaos:' Scenes from Okla. School
May 21, 2013
A photographer who was among the first to arrive at an Oklahoma Elementary School after a tornado destroyed it, describes the heart-wrenching scene.
A Timeline of Deadly Events in Moore, Okla.
May 21, 2013
Check out this comprehensive timeline of the events that transpired in Moore, Okla.
In Tornado's Wake, Worried Parents Seek Out Kids
May 21, 2013
A desperate search was underway by parents looking to find children after the massive tornado.
Moore Already at Work on Recovery, Says Mayor
May 21, 2013
Glenn Lewis was the mayor of Moore, Okla., when the strongest tornado on record whipped the city in 1999, and he says the most recent storm won't deter the community from rebuilding.
Moore Survivor Finds Dog Buried Alive
May 21, 2013
Watch as a tornado survivor is interrupted in the middle of interview by a little dog digging out of rubble.
Oklahoma Tornado: How to Help
May 21, 2013
There are several agencies asking for donations to help those hit hard by the Oklahoma tornadoes.
Multiple Children Dead at Okla. School
May 21, 2013
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More News Articles
Weather Summary
Kari Kiefer
Weather Underground midday recap for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather began to fire up again across the nation's mid-section on Tuesday.

The nearly stationary low over the Northern Plains showed signs of gradual weakening as it shifted eastward toward the Mississippi River Valley on Tuesday, while the system's associated cold front trailed southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of north-central/northeastern Texas, southern Arkansas, northwestern Louisiana and far southeastern Oklahoma remained at moderate risk of severe thunderstorm activity as environmental conditions remained favorable for tornadoes, damaging wind gusts, and very large hail. In particular, substantial severe weather was expected across north-central Texas to the

ArkLaTex region this afternoon and evening. Areas surrounding this moderate risk region from the Southern Plains to the Tennessee/Ohio valleys and the Lower Great Lakes/Northeast remained at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes. In addition to severe storms, heavy rains created chances of flood and possible isolated areas of flash flooding from parts eastern Oklahoma through northern Arkansas.

Meanwhile, areas of heavy rain and widely scattered showers continued near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the inland areas of the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms picked up across the Mid-Atlantic and southeastern corner of the nation through the afternoon.
Weather Underground midday recap for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather began to fire up again across the nation's mid-section on Tuesday.

The nearly stationary low over the Northern Plains showed signs of gradual weakening as it shifted eastward toward the Mississippi River Valley on Tuesday, while the system's associated cold front trailed southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of north-central/northeastern Texas, southern Arkansas, northwestern Louisiana and far southeastern Oklahoma remained at moderate risk of severe thunderstorm activity as environmental conditions remained favorable for tornadoes, damaging wind gusts, and very large hail. In particular, substantial severe weather was expected across north-central Texas to the

ArkLaTex region this afternoon and evening. Areas surrounding this moderate risk region from the Southern Plains to the Tennessee/Ohio valleys and the Lower Great Lakes/Northeast remained at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes. In addition to severe storms, heavy rains created chances of flood and possible isolated areas of flash flooding from parts eastern Oklahoma through northern Arkansas.

Meanwhile, areas of heavy rain and widely scattered showers continued near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the inland areas of the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms picked up across the Mid-Atlantic and southeastern corner of the nation through the afternoon.
More News Articles

Charlestown Weather at a Glance

Updated 11:05 PM EDT
Weather Station - Report - Buy a Station
Inman, Cambridge
Elevation
25 ft
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Now
Light Drizzle
Light Drizzle Mist
Temperature
52.7 °F
Feels Like 52.7 °F
Wind(mph)
1.0
Sunrise / Set
5:17 AM
8:05 PM
Moon
Waxing Gibbous
Tonight
Thunderstorm 55 °F
T-storms
70% chance of precipitation
Tomorrow
Chance of a Thunderstorm 86 °F
Chance of T-storms
30% chance of precipitation
Tomorrow Night
Mostly Cloudy 64 °F
Mostly Cloudy
20% chance of precipitation
Thursday
Chance of a Thunderstorm 81 | 61 °F
Chance of T-storms
60% chance of precipitation
Friday
Chance of a Thunderstorm 70 | 50 °F
Chance of T-storms
70% chance of precipitation
Saturday
Chance of Rain 68 | 43 °F
Chance of Rain
50% chance of precipitation
Tomorrow is forecast to be Warmer than today.
Conditions
Pressure
29.99 in
Visibility
5.0 miles
Clouds
Overcast 400 ft
Moisture
Humidity
94%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KBOS 220254Z 04012KT 5SM -DZ BR OVC004 11/10 A2999 RMK AO2 DZB44 SLP154 P0000 60000 T01110100 55005
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
52.7 °F
61,59,55,55,54,54,53,52,52,52,52,52,52
Dew Point
51 °F
Wind
Speed / Dir
1.0 mph from SE
Wind Gust
2.0 mph
Health
UV
0 out of 16
Pollen
6.10 out of 12
Pollen Forecast
PM2.5
Good
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday Night
nt_tstorms Overcast with rain showers, then thunderstorms after midnight. Fog overnight. Low of 55F. Winds from the NNE at 5 to 15 mph. Chance of rain 70%.
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain in the afternoon. Fog early. High of 86F. Winds from the SW at 5 to 15 mph. Chance of rain 30%.
Wednesday Night
nt_mostlycloudy Mostly cloudy with a chance of a thunderstorm and a chance of rain. Low of 64F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of a thunderstorm and rain showers in the afternoon. High of 81F. Breezy. Winds from the SSW at 15 to 20 mph. Chance of rain 60%.
Thursday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain showers. Low of 61F. Winds from the SSW at 5 to 20 mph. Chance of rain 80% with rainfall amounts near 0.4 in. possible.
Friday
chancetstorms Overcast with a chance of a thunderstorm and rain showers, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 70F. Winds from the West at 5 to 10 mph. Chance of rain 70%.
Friday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and a chance of rain, then a chance of rain after midnight. Fog overnight. Low of 50F. Winds from the West at 5 to 10 mph shifting to the North after midnight. Chance of rain 50%.
Saturday
chancerain Mostly cloudy with a chance of rain. High of 68F. Winds from the NNW at 10 to 15 mph. Chance of rain 50%.
Saturday Night
nt_partlycloudy Partly cloudy with a chance of rain in the evening, then clear. Low of 43F. Breezy. Winds from the West at 10 to 20 mph. Chance of rain 20%.
Sunday
partlycloudy Clear in the morning, then partly cloudy. High of 66F. Breezy. Winds from the WNW at 15 to 25 mph.
Sunday Night
nt_clear Clear. Low of 43F. Winds from the West at 10 to 15 mph.
Monday
partlycloudy Partly cloudy. High of 68F. Breezy. Winds from the West at 15 to 20 mph.
Monday Night
nt_clear Clear. Low of 43F. Winds from the WNW at 5 to 10 mph.
Tuesday
clear Clear. High of 72F. Winds from the WNW at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds from the West at 5 to 10 mph.
Wednesday
partlycloudy Partly cloudy. High of 75F. Winds from the SSW at 5 to 10 mph.
Wednesday Night
nt_chancetstorms Clear with a chance of a thunderstorm. Low of 57F. Winds from the SW at 5 to 10 mph. Chance of rain 40%.
Thursday
partlycloudy Partly cloudy. High of 79F. Winds less than 5 mph.
Thursday Night
nt_clear Clear. Low of 59F. Winds less than 5 mph.
Friday
partlycloudy Partly cloudy. High of 81F. Winds from the SSW at 5 to 10 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 59F. Winds from the SW at 5 to 10 mph.
Saturday
partlycloudy Clear. High of 82F. Winds from the SW at 5 to 10 mph.
Saturday Night
nt_partlycloudy Clear. Fog overnight. Low of 59F. Winds from the SW at 5 to 10 mph.
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Weather Forecast for Charlestown MA

View Calendar 10-Day Forecast for station KMACAMBR9

Wednesday, 22
Chance of a Thunderstorm
86 | 64 °F
Chance of T-storms
Chance of
Precipitation
30%
Thursday, 23
Chance of a Thunderstorm
81 | 61 °F
Chance of T-storms
Chance of
Precipitation
60%
Friday, 24
Chance of a Thunderstorm
70 | 50 °F
Chance of T-storms
Chance of
Precipitation
70%
Saturday, 25
Chance of Rain
68 | 43 °F
Chance of Rain
Chance of
Precipitation
50%
Sunday, 26
Partly Cloudy
66 | 43 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 27
Partly Cloudy
68 | 43 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 28
Clear
72 | 48 °F
Clear
Chance of
Precipitation
0%
Wednesday, 29
Partly Cloudy
75 | 57 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 30
Partly Cloudy
79 | 59 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 31
Partly Cloudy
81 | 59 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain in the afternoon. Fog early. High of 86F. Winds from the SW at 5 to 15 mph. Chance of rain 30%.
Wednesday Night
nt_mostlycloudy Mostly cloudy with a chance of a thunderstorm and a chance of rain. Low of 64F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 56 72 | 65 76 | 66 69 | 64
Wind 2 mph NNE 10 mph SW 12 mph SW 8 mph SSW
Humidity 92% 78% 70% 84%
Chance of Precip. 10% 10% 30% 20%
Cloud Cover 95% 74% 67% 77%
Conditions Fog Mostly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:17 AM
8:05 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.84], Average RMSE [2.16]
The National Weather Service forecast quality is good. MaxT RMSE [1.91], Average RMSE [1.57] : Use NWS
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of a thunderstorm and rain showers in the afternoon. High of 81F. Breezy. Winds from the SSW at 15 to 20 mph. Chance of rain 60%.
Thursday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain showers. Low of 61F. Winds from the SSW at 5 to 20 mph. Chance of rain 80% with rainfall amounts near 0.4 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 63 78 | 63 71 | 62 66 | 61
Wind 9 mph SSW 16 mph SSW 16 mph SW 10 mph SSW
Humidity 87% 59% 70% 81%
Chance of Precip. 20% 50% 60% 80%
Cloud Cover 76% 76% 84% 92%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:16 AM
8:06 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.07], Average RMSE [1.87]
The National Weather Service forecast quality is good. MaxT RMSE [2.07], Average RMSE [1.73] : Use NWS
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Friday
chancetstorms Overcast with a chance of a thunderstorm and rain showers, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 70F. Winds from the West at 5 to 10 mph. Chance of rain 70%.
Friday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and a chance of rain, then a chance of rain after midnight. Fog overnight. Low of 50F. Winds from the West at 5 to 10 mph shifting to the North after midnight. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 58 67 | 57 67 | 55 59 | 57
Wind 8 mph SSW 8 mph WSW 8 mph West 4 mph West
Humidity 90% 71% 65% 92%
Chance of Precip. 80% 70% 70% 20%
Cloud Cover 96% 95% 85% 100%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:15 AM
8:07 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.78], Average RMSE [2.10]
The National Weather Service forecast quality is good. MaxT RMSE [2.20], Average RMSE [2.90] : Use NWS
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Saturday
chancerain Mostly cloudy with a chance of rain. High of 68F. Winds from the NNW at 10 to 15 mph. Chance of rain 50%.
Saturday Night
nt_partlycloudy Partly cloudy with a chance of rain in the evening, then clear. Low of 43F. Breezy. Winds from the West at 10 to 20 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 56 59 | 53 61 | 46 55 | 38
Wind 8 mph North 12 mph North 13 mph NW 15 mph WNW
Humidity 97% 78% 57% 53%
Chance of Precip. 30% 20% 30% 10%
Cloud Cover 97% 69% 81% 56%
Conditions Chance of Rain Chance of Rain Chance of Rain Partly Cloudy
Sunrise & Sunset
5:14 AM
8:08 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.92], Average RMSE [2.60]
The National Weather Service forecast quality is fair. MaxT RMSE [3.17], Average RMSE [3.08] : Use NWS
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Sunday
partlycloudy Clear in the morning, then partly cloudy. High of 66F. Breezy. Winds from the WNW at 15 to 25 mph.
Sunday Night
nt_clear Clear. Low of 43F. Winds from the West at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 37 61 | 34 62 | 38 55 | 36
Wind 16 mph West 20 mph WNW 12 mph WNW 10 mph WSW
Humidity 70% 35% 39% 47%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 0% 0% 61% 10%
Conditions Clear Clear Partly Cloudy Clear
Sunrise & Sunset
5:13 AM
8:08 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.43], Average RMSE [2.60]
The National Weather Service forecast quality is poor. MaxT RMSE [3.88], Average RMSE [3.53] : Use NWS
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 68F. Breezy. Winds from the West at 15 to 20 mph.
Monday Night
nt_clear Clear. Low of 43F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 34 67 | 30 65 | 34 56 | 36
Wind 12 mph West 15 mph West 11 mph WNW 7 mph WNW
Humidity 60% 25% 31% 44%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 34% 34% 0%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:13 AM
8:09 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.19], Average RMSE [2.72]
The National Weather Service forecast quality is fair. MaxT RMSE [3.41], Average RMSE [3.56] : Use NWS
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Tuesday
clear Clear. High of 72F. Winds from the WNW at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds from the West at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 33 68 | 35 66 | 41 57 | 42
Wind 8 mph West 7 mph WNW 6 mph WNW 7 mph West
Humidity 58% 28% 40% 58%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 9% 0% 0% 41%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:12 AM
8:10 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.85], Average RMSE [2.28]
The National Weather Service forecast quality is poor. MaxT RMSE [3.52], Average RMSE [3.15] : Use NWS
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy. High of 75F. Winds from the SSW at 5 to 10 mph.
Wednesday Night
nt_chancetstorms Clear with a chance of a thunderstorm. Low of 57F. Winds from the SW at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 38 71 | 46 71 | 53 62 | 54
Wind 5 mph West 6 mph SSW 7 mph South 6 mph SSW
Humidity 62% 41% 53% 74%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 52% 49% 26% 23%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:12 AM
8:11 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.87], Average RMSE [3.09]
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 79F. Winds less than 5 mph.
Thursday Night
nt_clear Clear. Low of 59F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 54 73 | 54 72 | 52 64 | 52
Wind 4 mph WSW 5 mph SSW 6 mph South 5 mph SSW
Humidity 82% 47% 50% 64%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 39% 41% 28% 21%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:11 AM
8:12 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.47], Average RMSE [3.32]
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 81F. Winds from the SSW at 5 to 10 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 59F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 50 76 | 50 74 | 52 65 | 52
Wind 4 mph SW 5 mph SSW 7 mph SSW 6 mph SSW
Humidity 65% 41% 44% 62%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 22% 25% 30% 31%
Conditions Clear Clear Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:10 AM
8:13 PM
Source: BestForecast at 10:23 PM EDT on May 21, 2013
Descriptive Forecast
Saturday
partlycloudy Clear. High of 82F. Winds from the SW at 5 to 10 mph.
Saturday Night
nt_partlycloudy Clear. Fog overnight. Low of 59F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 54 77 | 56 76 | 60 67 | 62
Wind 4 mph SW 5 mph SW 7 mph SSW 7 mph SW
Humidity 69% 49% 59% 83%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 28% % % %
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Active Notice: Public Information Statement  (US Severe Weather)
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal (KBOS) 68 °F 51 °F
Record (KBOS) 93 °F (1921) 41 °F (1907)
Yesterday 82 °F 56 °F
Yesterday's Cooling Degree Days: 4
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
OZONE
Yesterday Good
PM2.5
Current Good
PM2.5
Tuesday Good
PM2.5
Tuesday Good
OZONE
Wednesday Moderate
PM2.5
Wednesday Good
OZONE
Coastal Water Temperatures
Place Temperature
Boston, MA 55.9 °F
Providence, RI 66.0 °F
Fall River, MA 63.0 °F
Conimicut Light, RI 70.0 °F
Marine Forecast - Surf Forecast
Astronomy
May. 21, 2013 Rise Set
Actual Time 5:17 AM EDT 8:05 PM EDT
Civil Twilight 4:44 AM EDT 8:38 PM EDT
Nautical Twilight 4:02 AM EDT 9:19 PM EDT
Astronomical Twilight 3:15 AM EDT 10:07 PM EDT
Moon 4:11 PM EDT (5/21) 2:48 AM EDT (5/21)
Length Of Visible Light 15h 54m
Length of Day
14h 48m
Tomorrow will be 1m 46s longer.
Waxing Gibbous, 87% of the Moon is Illuminated
Today
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
91 °F
Chicopee
90 °F
Westfield
90 °F
Orange
86 °F
Taunton
85 °F
Worcester
50 °F
Beverly
50 °F
Worcester
50 °F
East Milton
51 °F
Lawrence
51 °F
Boston
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Boston 52 °F Light Drizzle Mist 10:54 PM EDT
East Milton 50 °F N/A 10:54 PM EDT
Bedford 50 °F Overcast 10:56 PM EDT
Norwood 52 °F Overcast 10:53 PM EDT
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Flight To ETA Status
JBU1016
New York, NY 		KBOS 10:51PM On Time
AAL1284
Miami, FL 		KBOS 10:58PM On Time
TCF5898
New York, NY 		KBOS 11:00PM On Time
FLG4143
Norfolk, VA 		KBOS 11:02PM On Time
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Type Condition
Flight Rule: LIFR (KBOS)
Wind Speed: 12.0 kts.
Wind Dir: 135° (SE)
Ceiling: 400 ft

METAR KBOS 220254Z 04012KT 5SM -DZ BR OVC004 11/10 A2999 RMK AO2 DZB44 SLP154 P0000 60000 T01110100 55005

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Nearby Events
Event Date Forecast
The Book Of Mormon 7:00 PM EDT
2013-04-16		 Overcast, 53°F
Willy Porter 3:00 AM EDT
2013-04-16		 Partly Cloudy, 42°F
Bobby Long 8:00 PM EDT
2013-04-16		 Chance of Rain, 50°F
Blue Man Group 8:00 PM EDT
2013-04-16		 Chance of Rain, 50°F
Women Like Us support group to meet 7:00 PM EDT
2013-04-16		 Overcast, 53°F
Blue Man Group 8:00 PM EDT
2013-04-17		 Chance of Rain, 54°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Tigers vs. Indians 7:05 PM EDT on May 21, 2013 Chance of a Thunderstorm, 81 °F
Yankees vs. Orioles 7:05 PM EDT on May 21, 2013 Partly Cloudy, 81 °F
Indians vs. Red Sox 7:10 PM EDT on May 23, 2013 Chance of a Thunderstorm, 72 °F
Indians vs. Red Sox 7:10 PM EDT on May 24, 2013 Chance of a Thunderstorm, 61 °F
Event Date Forecast
Livorno vs. Brescia 6:30 PM CEST on May 22, 2013 Clear, High 69° F/ 21° C
Empoli vs. Novara 8:45 PM CEST on May 22, 2013 Clear, High 68° F/ 20° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 26, 2013 Partly Cloudy, 70 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 02, 2013 Average High 81° F/ 27° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 23, 2013 Partly Cloudy, 68 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2013 Mostly Cloudy, 70 °F
View all Sports Weather
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Weather Stations
Station Location Temp. Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Inman, Cambridge, MA 52.7 °F 51 °F 94% SE  at  1.0 mph 0.00 in / hr 25 ft 11:05 PM EDT Normal  
MIT (Green Bld Roof), Cambridge, MA 52.1 °F 50 °F 94% ESE  at  6.0 mph 0.00 in / hr 310 ft 11:00 PM EDT Normal
Inman Square, Somerville, MA 51.8 °F 52 °F 99% NE  at  15.7 mph 0.00 in / hr 50 ft 11:00 PM EDT Normal  
Central Square, Cambridge, MA 52.8 °F 50 °F 91% NE  at  9.0 mph 0.00 in / hr 24 ft 11:05 PM EDT Normal
Boston - South End, Boston, MA 52.4 °F 51 °F 93% East  at  2.0 mph 0.00 in / hr 86 ft 10:56 PM EDT Normal  
St. Botolph, Boston, MA 51.9 °F 49 °F 91% NNE  at  0.0 mph 0.00 in / hr 30 ft 10:54 PM EDT Normal  
Albion, Somerville, MA 53.4 °F 52 °F 94% SE  at  4.5 mph 0.00 in / hr 75 ft 11:07 PM EDT Normal  
Tufts Park, Medford, MA 53.2 °F 53 °F 98% ENE  at  5.8 mph - / hr 30 ft 11:02 PM EDT Normal  
Porter Square, Cambridge, MA 53.1 °F 52 °F 97% North  at  0.0 mph 0.00 in / hr 47 ft 11:00 PM EDT Normal
Beacon & Carlton Street, Brookline, MA 52.7 °F 51 °F 93% West  at  1.1 mph - / hr 39 ft 11:01 PM EDT Normal  
Malden West, Malden, MA 52.2 °F 45 °F 76% East  at  0.0 mph 0.00 in / hr 0 ft 11:04 PM EDT Normal  
Emerson St. Across from Police Station, Medford, MA 52.6 °F 48 °F 86% ENE  at  4.0 mph 0.00 in / hr 12 ft 11:07 PM EDT Rapid Fire  
North Cambridge, Cambridge, MA 52.2 °F 51 °F 94% ESE  at  1.0 mph 0.00 in / hr 26 ft 11:03 PM EDT Normal
Lawrence Estates, Medford, MA 54.3 °F 50 °F 84% SE  at  0.0 mph 0.00 in / hr 53 ft 11:07 PM EDT Rapid Fire  
East Arlington, Arlington, MA 52.3 °F 50 °F 90% SE  at  0.0 mph 0.00 in / hr 40 ft 11:00 PM EDT Normal  
PAPA'S PLACE, MALDEN, MA 51.6 °F 51 °F 97% ENE  at  1.0 mph - / hr 52 ft 10:57 PM EDT Normal  
Mount Auburn Cemetery, Watertown, MA 52.2 °F 51 °F 94% NNE  at  1.0 mph 0.00 in / hr 57 ft 11:06 PM EDT Normal
East Arlington 2, Arlington, MA 52.6 °F 51 °F 95% NE  at  3.0 mph 0.00 in / hr 68 ft 11:03 PM EDT Normal  
West Medford, Medford, MA 51.3 °F 50 °F 96% SSE  at  0.0 mph 0.00 in / hr 52 ft 11:07 PM EDT Rapid Fire  
David B's Weather, Malden, MA 51.8 °F 50 °F 93% East  at  4.7 mph 0.00 in / hr 98 ft 11:07 PM EDT Rapid Fire  
Near Wyoming Cemetery, Melrose, MA 56.3 °F 52 °F 86% ESE  at  0.0 mph 0.00 in / hr 90 ft 11:07 PM EDT Rapid Fire  
Winthrop Beach, Winthrop, MA 52.4 °F 51 °F 95% ENE  at  3.0 mph 0.00 in / hr 30 ft 11:01 PM EDT Normal
Cambridge Highlands, Cambridge, MA 51.6 °F - 255% NE  at  2.0 mph 0.00 in / hr 150 ft 11:06 PM EDT Normal
Thompson Island, Boston, MA 51.0 °F 50 °F 96% NE  at  6.0 mph 0.00 in / hr 100 ft 10:54 PM EDT Normal  
Jamaica Plain Pondside, Jamaica Plain, MA 53.5 °F 50 °F 87% NNW  at  2.5 mph 0.00 in / hr 85 ft 11:07 PM EDT Rapid Fire  
East Side Melrose, Melrose, MA 51.7 °F 52 °F 100% North  at  4.3 mph 0.00 in / hr 115 ft 11:07 PM EDT Rapid Fire  
Arlington Heights - Turkey Hill, ARLINGTON, MA 52.0 °F 51 °F 96% NNW  at  3.0 mph 0.00 in / hr 292 ft 11:07 PM EDT Rapid Fire
Chestnut Hill, Chestnut Hill, MA 51.8 °F 51 °F 98% NE  at  3.0 mph 0.00 in / hr 210 ft 11:07 PM EDT Normal  
(Arnold Arboretum ) Roslindale, MA 52.0 °F 51 °F 95% NE  at  4.3 mph 0.00 in / hr 148 ft 11:01 PM EDT Normal
Mt. Ephraim, Lexington, MA 51.0 °F 49 °F 93% NW  at  1.0 mph 0.00 in / hr 203 ft 11:07 PM EDT Rapid Fire  
Roslindale (Rosecliff), Roslindale, MA 52.2 °F 52 °F 99% East  at  0.7 mph 0.00 in / hr 157 ft 10:57 PM EDT Rapid Fire  
Wollaston, Quincy, MA 52.2 °F 52 °F 100% NE  at  6.9 mph 0.00 in / hr 18 ft 11:07 PM EDT Rapid Fire  
Turner's Pond, Milton, MA 50.9 °F 50 °F 97% NE  at  1.0 mph 0.00 in / hr 66 ft 11:07 PM EDT Rapid Fire  
The Great Meadow, Lexington, MA 50.6 °F 50 °F 96% NNE  at  3.0 mph 0.00 in / hr 202 ft 11:05 PM EDT Normal
Waltham, MA 55.4 °F -77 °F - East  at  3.3 mph 0.00 in / hr 50 ft 11:07 PM EDT Normal
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Public Information Statement
Mobile & Email Alerts Statement as of 8:01 PM EDT on May 21, 2013

The following are unofficial observations taken for the storm that
has been affecting our region. Appreciation is extended to Highway
departments... cooperative observers... Skywarn spotters and media for
these reports. This summary is also available on our home Page at
weather.Gov/Boston

********************storm total rainfall********************

Location storm total time/date comments
                     rainfall of
                     /inches/ measurement

Massachusetts

... Worcester County...
   Southbridge 3.70 636 PM 5/21 trained spotter
   Brookfield 2.02 636 PM 5/21 ham radio


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