Mattapan, MA

9:43 AM EDT on May 21, 2013 (GMT -0400)
Elev: 20 ft
Lon: 71.1° W
Lat: 42.3° N
Source
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Active Advisory: Dense Fog Advisory (US Severe Weather)
News
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
Tornado survivor is interrupted in the middle of interview by little dog digging out of rubble
A Timeline of Deadly Events in Moore, Okla.
May 21, 2013
Check out this comprehensive timeline of the events that transpired in Moore, Okla.
Oklahoma Tornado: How to Help
May 21, 2013
There are several agencies asking for donations to help those hit hard by the Oklahoma tornadoes.
Recovery Efforts Continue in Deadly Okla. Tornado
May 21, 2013
The search and rescue efforts are ongoing in Moore, Okla. after a massive tornado levelled the town and local schools.
At Least 20 Children Dead at Okla. School
May 21, 2013
More than a dozen children perished in the devastating Moore, Okla. tornado.
Twitter Responds With Prayers for Oklahoma Tornado Victims
May 21, 2013
Twitter responds to the devastation brought by tornadoes Monday in suburban Oklahoma City, offering condolences and prayers for the victims and survivors.
In Their Words: The Oklahoma Tornado Tragedy
May 21, 2013
Our reporters were among the first national media to report from Moore, Okla. shortly after a powerful tornado decimated the town. These are their thoughts as they report from the scene.
'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.
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.
Tornado Took Similar Path to 1999 F5
May 21, 2013
Moore, Oklahoma is no stranger to devastating tornadoes.
Obama Declares Major Disaster in Oklahoma
May 21, 2013
President Barack Obama has declared a major disaster in Oklahoma as the state recovers from a massive tornado that ripped through the Oklahoma City suburbs Monday, killing dozens and flattening entire neighborhoods.
Photos, Social Media Capture Terror of Okla. Tornadoes
May 20, 2013
Catastrophic tornadoes developed in Oklahoma on Monday. Here are photos and social media reports.
Huge Rock Crashes Into Moon, Sparks Giant Explosion
May 20, 2013
The moon has a new hole on its surface thanks to a boulder that slammed into it in March, creating the biggest explosion scientists have seen on the moon since they started monitoring it.
Deadly Rainstorms Kill 55 in Southern China
May 20, 2013
Chinese authorities say rainstorms that battered southern China this week have killed 55 people and left 14 others missing.
Photos: Deadly Tornado Outbreak Strikes Plains
May 20, 2013
A tornado outbreak struck the Plains states on May 19, 2013, leaving widespread damage in its wake.
Recap: Tornadoes Rake Oklahoma, Kansas, Iowa
May 20, 2013
The weather imagery, video and recap from tornadoes in the Plains on May 19, 2013.
Amazing Nature, Captured
May 20, 2013
These stunning images of nature captured across the globe will change the way you view our world.
Photos: Tornado Devastation in Plains
May 20, 2013
Photos and social media reports of severe weather damage over the weekend in Oklahoma, Iowa and Kansas.
Tornado Hits South of Oklahoma City
May 20, 2013
Continuing coverage of destructive severe weather.
More News Articles
Weather Summary
Kari Kiefer
Weather Underground Forecast for Tuesday, May 21, 2013.

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

The nearly stationary low over the Northern Plains will gradually weaken as it shifts eastward into the Midwest on Tuesday, while the system's associated cold front trails 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 will set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of northeastern Texas, extreme southeastern Oklahoma, central and southern Arkansas, and northwestern Louisiana are at moderate risk of severe thunderstorm activity as environmental conditions remain favorable for tornadoes, damaging wind gusts, and very large hail. Areas surrounding this moderate risk region from the parts of central and eastern Texas into the Upper Great Lakes are at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes.

Meanwhile, areas of heavy rain and widely scattered showers will continue 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 Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest will maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms are expected to persist in the Mid-Atlantic and southeastern corner of the nation.
Weather Underground Forecast for Tuesday, May 21, 2013.

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

The nearly stationary low over the Northern Plains will gradually weaken as it shifts eastward into the Midwest on Tuesday, while the system's associated cold front trails 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 will set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of northeastern Texas, extreme southeastern Oklahoma, central and southern Arkansas, and northwestern Louisiana are at moderate risk of severe thunderstorm activity as environmental conditions remain favorable for tornadoes, damaging wind gusts, and very large hail. Areas surrounding this moderate risk region from the parts of central and eastern Texas into the Upper Great Lakes are at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes.

Meanwhile, areas of heavy rain and widely scattered showers will continue 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 Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest will maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms are expected to persist in the Mid-Atlantic and southeastern corner of the nation.
More News Articles

Mattapan Weather at a Glance

Updated 9:00 AM EDT
Weather Station
Boston (KBOS)
Elevation
16 ft
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Now
Fog
Fog
Temperature
57 °F
Feels Like 57 °F
Wind(mph)
7
Sunrise / Set
5:17 AM
8:05 PM
Moon
Waxing Gibbous
Today
Chance of a Thunderstorm 70 °F
Chance of T-storms
30% chance of precipitation
Tonight
Chance of a Thunderstorm 52 °F
Chance of T-storms
50% chance of precipitation
Tomorrow
Chance of a Thunderstorm 79 | 64 °F
Chance of T-storms
30% chance of precipitation
Thursday
Thunderstorm 75 | 63 °F
T-storms
80% chance of precipitation
Friday
Chance of a Thunderstorm 68 | 50 °F
Chance of T-storms
70% chance of precipitation
Saturday
Chance of Rain 66 | 48 °F
Chance of Rain
50% chance of precipitation
Today is forecast to be Much Cooler than yesterday.
Conditions
Pressure
29.96 in
Visibility
0.2 miles
Clouds
Moisture
Humidity
94%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
SPECI KBOS 211300Z 07006KT M1/4SM R04R/1200V5000FT FG VV002 14/13 A2996 RMK AO2 SFC VIS 1/4
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
57 °F
61,62,61,61,58,59,58,59,57,57,57,57,57
Dew Point
55 °F
Wind
Speed / Dir
7 mph from ENE
Wind Gust
Health
UV
Not available.
Pollen
6.10 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Moderate
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday
chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. Fog early. High of 70F. Winds from the SE at 5 to 15 mph. Chance of rain 30%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and a chance of rain. Low of 52F. Winds from the NE at 5 to 15 mph. Chance of rain 50%.
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 79F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.
Wednesday Night
nt_mostlycloudy Overcast with thunderstorms and a chance of rain. Fog overnight. Low of 64F. Winds from the SSW at 5 to 15 mph. Chance of rain 20%.
Thursday
tstorms Overcast with thunderstorms and a chance of rain, then a chance of a thunderstorm and rain showers in the afternoon. High of 75F. Breezy. Winds from the SSW at 15 to 25 mph. Chance of rain 80%.
Thursday Night
nt_rain Overcast with rain showers. Low of 63F. Breezy. Winds from the SSW at 10 to 20 mph. Chance of rain 30%.
Friday
chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and rain in the afternoon. Fog early. High of 68F. Winds from the SSW at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.3 in. possible.
Friday Night
nt_chancerain Overcast with a chance of rain. Fog overnight. Low of 50F. Winds from the NNE at 10 to 15 mph. Chance of rain 40% with rainfall amounts near 0.2 in. possible.
Saturday
chancerain Overcast with a chance of rain. High of 66F. Breezy. Winds from the North at 15 to 20 mph. Chance of rain 50%.
Saturday Night
nt_chancerain Mostly cloudy with a chance of rain. Low of 48F. Winds from the NNW at 5 to 15 mph. Chance of rain 40%.
Sunday
partlycloudy Partly cloudy. High of 64F. Breezy. Winds from the NW at 15 to 20 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds from the WNW at 5 to 10 mph.
Monday
clear Clear. High of 66F. Winds from the WNW at 10 to 15 mph.
Monday Night
nt_clear Clear. Low of 52F. Winds from the WNW at 5 to 10 mph.
Tuesday
clear Clear. High of 68F. Winds less than 5 mph.
Tuesday Night
nt_clear Clear. Low of 54F. Winds less than 5 mph.
Wednesday
clear Clear. High of 72F. Winds from the South at 5 to 10 mph.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 57F. Winds from the SSW at 5 to 10 mph. Chance of rain 50%.
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 75F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 59F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 75F. Winds from the SSW at 5 to 10 mph. Chance of rain 50%.
Friday Night
nt_chancetstorms Clear with a chance of a thunderstorm. Fog overnight. Low of 59F. Winds less than 5 mph. Chance of rain 30%.
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Nowcast
Dense fog advisory in effect until 10 am EDT this morning...

Weather Forecast for Mattapan MA

View Calendar 10-Day Forecast for station KBOS

Tuesday, 21
Chance of a Thunderstorm
70 | 52 °F
Chance of T-storms
Chance of
Precipitation
30%
Wednesday, 22
Chance of a Thunderstorm
79 | 64 °F
Chance of T-storms
Chance of
Precipitation
30%
Thursday, 23
Thunderstorm
75 | 63 °F
T-storms
Chance of
Precipitation
80%
Friday, 24
Chance of a Thunderstorm
68 | 50 °F
Chance of T-storms
Chance of
Precipitation
70%
Saturday, 25
Chance of Rain
66 | 48 °F
Chance of Rain
Chance of
Precipitation
50%
Sunday, 26
Partly Cloudy
64 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 27
Clear
66 | 52 °F
Clear
Chance of
Precipitation
0%
Tuesday, 28
Clear
68 | 54 °F
Clear
Chance of
Precipitation
0%
Wednesday, 29
Clear
72 | 57 °F
Clear
Chance of
Precipitation
0%
Thursday, 30
Chance of a Thunderstorm
75 | 59 °F
Chance of T-storms
Chance of
Precipitation
40%
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Tuesday
chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. Fog early. High of 70F. Winds from the SE at 5 to 15 mph. Chance of rain 30%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and a chance of rain. Low of 52F. Winds from the NE at 5 to 15 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 57 62 | 58 56 | 56 58 | 54
Wind 9 mph ENE 10 mph ESE 13 mph East 8 mph ENE
Humidity 87% 88% 97% 82%
Chance of Precip. 10% 30% 30% 40%
Cloud Cover 63% 100% 100% 100%
Conditions Fog Chance of Rain 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 [1.97], Average RMSE [1.84]
The National Weather Service forecast quality is good. MaxT RMSE [2.13], Average RMSE [1.53] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 79F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.
Wednesday Night
nt_mostlycloudy Overcast with thunderstorms and a chance of rain. Fog overnight. Low of 64F. Winds from the SSW at 5 to 15 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 55 72 | 63 78 | 62 68 | 63
Wind 3 mph North 6 mph SSW 7 mph South 8 mph SSW
Humidity 97% 72% 59% 81%
Chance of Precip. 50% 40% 30% 20%
Cloud Cover 93% 70% 86% 88%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain Thunderstorm
Sunrise & Sunset
5:16 AM
8:06 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.29], Average RMSE [2.03]
The National Weather Service forecast quality is good. MaxT RMSE [2.31], Average RMSE [1.82] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Thursday
tstorms Overcast with thunderstorms and a chance of rain, then a chance of a thunderstorm and rain showers in the afternoon. High of 75F. Breezy. Winds from the SSW at 15 to 25 mph. Chance of rain 80%.
Thursday Night
nt_rain Overcast with rain showers. Low of 63F. Breezy. Winds from the SSW at 10 to 20 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 63 72 | 64 69 | 63 66 | 61
Wind 11 mph SSW 18 mph SSW 17 mph SSW 11 mph SSW
Humidity 95% 74% 78% 82%
Chance of Precip. 20% 60% 70% 10%
Cloud Cover 90% 88% 100% 100%
Conditions Thunderstorm Chance of a Thunderstorm Rain Showers Overcast
Sunrise & Sunset
5:15 AM
8:07 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.92], Average RMSE [2.68]
The National Weather Service forecast quality is good. MaxT RMSE [2.20], Average RMSE [2.94] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Friday
chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and rain in the afternoon. Fog early. High of 68F. Winds from the SSW at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.3 in. possible.
Friday Night
nt_chancerain Overcast with a chance of rain. Fog overnight. Low of 50F. Winds from the NNE at 10 to 15 mph. Chance of rain 40% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 63 67 | 65 60 | 60 53 | 51
Wind 9 mph SSW 10 mph SSW 6 mph SW 14 mph NNE
Humidity 96% 92% 100% 94%
Chance of Precip. 10% 20% 40% 20%
Cloud Cover 65% 100% 100% 100%
Conditions Mostly Cloudy Chance of Rain Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:14 AM
8:07 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.38], Average RMSE [2.87]
The National Weather Service forecast quality is fair. MaxT RMSE [3.21], Average RMSE [3.06] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Saturday
chancerain Overcast with a chance of rain. High of 66F. Breezy. Winds from the North at 15 to 20 mph. Chance of rain 50%.
Saturday Night
nt_chancerain Mostly cloudy with a chance of rain. Low of 48F. Winds from the NNW at 5 to 15 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 47 58 | 46 55 | 48 54 | 45
Wind 14 mph NNE 14 mph North 13 mph North 10 mph NNW
Humidity 85% 63% 75% 70%
Chance of Precip. 10% 20% 20% 20%
Cloud Cover 91% 63% 88% 34%
Conditions Overcast Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
5:14 AM
8:08 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.95], Average RMSE [2.77]
The National Weather Service forecast quality is poor. MaxT RMSE [4.06], Average RMSE [3.74] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 64F. Breezy. Winds from the NW at 15 to 20 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 38 63 | 35 61 | 39 56 | 39
Wind 10 mph NW 15 mph NW 9 mph NW 8 mph NW
Humidity 63% 35% 43% 53%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 9% 17% 55% 34%
Conditions Clear Clear Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:13 AM
8:09 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.76], Average RMSE [3.08]
The National Weather Service forecast quality is poor. MaxT RMSE [3.91], Average RMSE [3.60] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Monday
clear Clear. High of 66F. Winds from the WNW at 10 to 15 mph.
Monday Night
nt_clear Clear. Low of 52F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 37 64 | 35 62 | 39 58 | 38
Wind 9 mph West 11 mph WNW 9 mph WNW 6 mph NW
Humidity 55% 33% 42% 49%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 9% 36% 1%
Conditions Clear Clear Partly Cloudy Clear
Sunrise & Sunset
5:12 AM
8:10 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.98], Average RMSE [2.58]
The National Weather Service forecast quality is poor. MaxT RMSE [3.77], Average RMSE [3.13] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Tuesday
clear Clear. High of 68F. Winds less than 5 mph.
Tuesday Night
nt_clear Clear. Low of 54F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 38 64 | 40 63 | 46 60 | 50
Wind 6 mph West 5 mph West 5 mph SW 5 mph South
Humidity 53% 41% 53% 71%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 7% 10% 22% 24%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:12 AM
8:11 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.00], Average RMSE [2.85]
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Wednesday
clear Clear. High of 72F. Winds from the South at 5 to 10 mph.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 57F. Winds from the SSW at 5 to 10 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 53 67 | 54 66 | 56 63 | 57
Wind 4 mph SSW 6 mph South 7 mph South 6 mph SSW
Humidity 85% 62% 68% 83%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 10% 10% 13% 33%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:11 AM
8:12 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.01], Average RMSE [3.10]
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 75F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 59F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 59 71 | 61 69 | 63 65 | 63
Wind 4 mph SW 5 mph SSW 7 mph South 7 mph SSW
Humidity 96% 71% 79% 92%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 71% 86% 80% 70%
Conditions Fog Mostly Cloudy Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
5:10 AM
8:13 PM
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 75F. Winds from the SSW at 5 to 10 mph. Chance of rain 50%.
Friday Night
nt_chancetstorms Clear with a chance of a thunderstorm. Fog overnight. Low of 59F. Winds less than 5 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 61 71 | 61 69 | 61 65 | 61
Wind 5 mph SSW 6 mph SSW 6 mph South 4 mph SSW
Humidity 98% 69% 74% 87%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 56% 55% 66% %
Conditions Fog Partly Cloudy Mostly Cloudy Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal 68 °F 51 °F
Record 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 Moderate
PM2.5
Current Good
OZONE
Tuesday Good
PM2.5
Tuesday Good
OZONE
Coastal Water Temperatures
Place Temperature
Boston, MA 54.0 °F
Providence, RI 63.0 °F
Fall River, MA 61.0 °F
Conimicut Light, RI 68.0 °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 2:48 AM EDT
Length Of Visible Light 15h 53m
Length of Day
14h 48m
Tomorrow will be 1m 45s longer.
Waxing Gibbous, 83% 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
72 °F
Norwood
71 °F
Taunton
71 °F
Fitchburg
69 °F
East Milton
69 °F
New Bedford
53 °F
Norwood
55 °F
Martha's Vineyard
55 °F
Orange
55 °F
Hyannis
55 °F
Pittsfield
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Travel Planning
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Aviation
City Temp. Conditions Updated
Boston 57 °F Fog 9:00 AM EDT
East Milton 69 °F N/A 8:54 AM EDT
Norwood 73 °F Mostly Cloudy 9:38 AM EDT
Bedford 63 °F Overcast 8:58 AM EDT
View all Aviation Tools
Flight To ETA Status
SWA150
Chicago, IL 		KBOS 09:39AM On Time
UAL385
Newark, NJ 		KBOS 09:42AM On Time
UAL764
Washington, DC 		KBOS 09:45AM On Time
JBU682
Washington, DC 		KBOS 09:46AM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: LIFR (KBOS)
Wind Speed: 6.0 kts.
Wind Dir: 70° (ENE)
Ceiling: Unlimited

SPECI KBOS 211300Z 07006KT M1/4SM R04R/1200V5000FT FG VV002 14/13 A2996 RMK AO2 SFC VIS 1/4

View all Reports & Maps
Nearby Events
Event Date Forecast
JCC South Mom's Book Group 7:00 PM EDT
2013-04-15		 Partly Cloudy, 51°F
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
Event data courtesy eviesays.com
Sports
Event Date Forecast
Tigers vs. Indians 7:05 PM EDT on May 21, 2013 Chance of a Thunderstorm, 77 °F
Yankees vs. Orioles 7:05 PM EDT on May 21, 2013 Thunderstorm, 81 °F
Indians vs. Red Sox 7:10 PM EDT on May 23, 2013 Rain Showers, 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 71° F/ 22° C
Empoli vs. Novara 8:45 PM CEST on May 22, 2013 Clear, High 69° F/ 21° 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 Partly Cloudy, 70 °F
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Weather Stations
Station Location Temp. Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Boston - South End, Boston, MA 63.8 °F 59 °F 84% SE  at  0.0 mph 0.00 in / hr 86 ft 9:40 AM EDT Normal  
St. Botolph, Boston, MA 63.4 °F 58 °F 83% NW  at  3.0 mph 0.00 in / hr 30 ft 9:37 AM EDT Normal  
MIT (Green Bld Roof), Cambridge, MA 64.1 °F 60 °F 86% NW  at  0.0 mph 0.00 in / hr 310 ft 9:40 AM EDT Normal
Beacon & Carlton Street, Brookline, MA 66.0 °F 60 °F 80% NE  at  2.2 mph - / hr 39 ft 9:38 AM EDT Normal  
Inman, Cambridge, MA 66.5 °F 58 °F 75% SE  at  0.0 mph 0.00 in / hr 25 ft 9:40 AM EDT Normal  
Central Square, Cambridge, MA 63.2 °F 58 °F 82% North  at  0.0 mph 0.00 in / hr 24 ft 9:40 AM EDT Normal
Thompson Island, Boston, MA 57.2 °F 56 °F 97% NE  at  1.0 mph 0.00 in / hr 100 ft 9:38 AM EDT Normal  
Inman Square, Somerville, MA 63.9 °F 64 °F 99% SE  at  9.4 mph 0.00 in / hr 50 ft 9:30 AM EDT Normal  
Jamaica Plain Pondside, Jamaica Plain, MA 69.5 °F 63 °F 80% East  at  1.1 mph 0.00 in / hr 85 ft 9:43 AM EDT Rapid Fire  
Albion, Somerville, MA 67.5 °F 55 °F 63% ESE  at  5.8 mph 0.00 in / hr 75 ft 9:43 AM EDT Normal  
Porter Square, Cambridge, MA 62.8 °F 59 °F 88% North  at  0.0 mph 0.00 in / hr 47 ft 9:30 AM EDT Normal
Tufts Park, Medford, MA 63.3 °F 63 °F 98% North  at  5.1 mph - / hr 30 ft 9:32 AM EDT Normal  
(Arnold Arboretum ) Roslindale, MA 59.1 °F 59 °F 98% East  at  3.4 mph 0.00 in / hr 148 ft 9:06 AM EDT Normal
Winthrop Beach, Winthrop, MA 57.8 °F 57 °F 96% ENE  at  2.0 mph 0.00 in / hr 30 ft 9:30 AM EDT Normal
Mount Auburn Cemetery, Watertown, MA 65.0 °F 60 °F 85% NE  at  2.0 mph 0.00 in / hr 57 ft 9:34 AM EDT Normal
Wollaston, Quincy, MA 63.5 °F 60 °F 88% NNE  at  3.1 mph 0.00 in / hr 18 ft 9:43 AM EDT Rapid Fire  
North Cambridge, Cambridge, MA 61.1 °F 59 °F 92% ENE  at  3.0 mph 0.00 in / hr 26 ft 9:31 AM EDT Normal
Turner's Pond, Milton, MA 66.1 °F 62 °F 85% North  at  0.0 mph 0.00 in / hr 66 ft 9:43 AM EDT Rapid Fire  
Roslindale (Rosecliff), Roslindale, MA 64.9 °F 63 °F 94% North  at  0.7 mph 0.00 in / hr 157 ft 9:27 AM EDT Rapid Fire  
Emerson St. Across from Police Station, Medford, MA 62.0 °F 57 °F 83% SE  at  2.0 mph 0.00 in / hr 12 ft 9:43 AM EDT Rapid Fire  
East Arlington, Arlington, MA 65.3 °F 59 °F 81% SW  at  0.0 mph 0.00 in / hr 40 ft 9:30 AM EDT Normal  
Malden West, Malden, MA 61.0 °F 54 °F 77% East  at  0.0 mph 0.00 in / hr 0 ft 9:41 AM EDT Normal  
East Milton, Milton, MA 65.1 °F 64 °F 98% SE  at  1.1 mph - / hr 89 ft 9:36 AM EDT Normal  
Cambridge Highlands, Cambridge, MA 63.1 °F 59 °F 86% NNE  at  2.0 mph 0.00 in / hr 150 ft 9:42 AM EDT Normal
Chestnut Hill, Chestnut Hill, MA 67.3 °F 62 °F 83% North  at  2.0 mph 0.00 in / hr 210 ft 9:43 AM EDT Rapid Fire  
East Arlington 2, Arlington, MA 62.5 °F 60 °F 91% North  at  1.0 mph 0.00 in / hr 68 ft 9:43 AM EDT Normal  
Lawrence Estates, Medford, MA 64.0 °F 59 °F 83% WNW  at  0.0 mph 0.00 in / hr 53 ft 9:43 AM EDT Rapid Fire  
West Medford, Medford, MA 63.3 °F 60 °F 89% ENE  at  0.0 mph 0.00 in / hr 52 ft 9:43 AM EDT Rapid Fire  
PAPA'S PLACE, MALDEN, MA 60.0 °F 59 °F 96% ENE  at  0.0 mph - / hr 52 ft 9:42 AM EDT Normal  
Quincy, MA 65.6 °F 60 °F 81% NW  at  0.0 mph 0.00 in / hr 134 ft 9:29 AM EDT Normal  
David B's Weather, Malden, MA 59.5 °F 55 °F 86% NNE  at  0.0 mph 0.00 in / hr 98 ft 9:43 AM EDT Rapid Fire  
West Roxbury, West Roxbury, MA 68.8 °F 63 °F 81% North  at  1.0 mph 0.00 in / hr 121 ft 9:40 AM EDT Normal
Near Wyoming Cemetery, Melrose, MA 62.8 °F 54 °F 73% ENE  at  3.4 mph 0.00 in / hr 90 ft 9:42 AM EDT Rapid Fire  
Houghs Neck, Great Hill, Quincy, MA 60.5 °F 56 °F 84% North  at  3.2 mph - / hr 62 ft 9:41 AM EDT Normal  
Houghs Neck, Quincy, MA 66.2 °F 59 °F 77% ENE  at  1.6 mph 0.00 in / hr 35 ft 9:43 AM EDT Rapid Fire  
MesoWest Quincy , Quincy, MA 60 °F 60 °F 100% WNW  at  2 mph 0.00 in / hr 130 ft 6:50 AM EDT MADIS
APRSWXNET Boston MA , Quincy, MA 66 °F 61 °F 83% WNW  at  0 mph 0.00 in / hr 131 ft 9:17 AM EDT MADIS
Houghs Neck/Rock Island Cove, Quincy, MA 61.3 °F 58 °F 90% ESE  at  3.2 mph - / hr 49 ft 9:33 AM EDT Normal  
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Dense Fog Advisory
Mobile & Email Alerts Statement as of 7:26 AM EDT on May 21, 2013

... Dense fog advisory in effect until 10 am EDT this morning...

The National Weather Service in Taunton has issued a dense fog
advisory... which is in effect until 10 am EDT this morning.

* Location... eastern coast line of Massachusetts.

* Visibilities... one quarter mile or less at times.

* Timing... til mid-morning.

* Impacts... dense fog along the coast will produce poor
visibilities resulting in hazardous driving conditions.

Precautionary/preparedness actions...

A dense fog advisory is issued when dense fog will reduce
visibilities to one quarter mile or less for at least 3 hours...
resulting in hazardous driving conditions. Motorists are advised
to slow down as objects on and near roadways will be seen only at
close range.