South Yarmouth, MA

5:55 AM EDT on May 21, 2013 (GMT -0400)
Elev: 16 ft
Lon: 70.2° W
Lat: 41.7° N
Source
Rapid Fire Updates™
 Updated 5:55 AM EDT Get Free Weather Stickers® Share:
Your Custom Weather Sticker®

Copy the following lines of HTML:
Get more styles and options for your Weather Sticker® here.
Global: Violent tornado devastates Moore, Oklahoma
Active Advisory: Dense Fog Advisory (US Severe Weather)
News
Tornado Took Similar Path to 1999 F5
May 20, 2013
Moore, Oklahoma is no stranger to devastating tornadoes.
Salvation Army, Red Cross Providing Help in Okla.
May 20, 2013
The Salvation Army says it is activating disaster response teams and mobile feeding units to help residents and rescuers in Moore.
At Least Seven Children Dead at Okla. Elementary
May 20, 2013
Several children have been pulled out of the rubble alive at a school in an Oklahoma City suburb.
White House Promises Help After Okla. Tornadoes
May 20, 2013
Homeland Security Secretary Janet Napolitano is assuring Oklahoma's governor that the Obama administration will provide all possible help to the state after a massive tornado tore through the Oklahoma City suburbs.
At Least 51 Dead in Massive Tornado
May 20, 2013
A monstrous tornado as much as a mile wide roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school.
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.
Tornado Hits OKC Suburb, Kicking Up Debris
May 19, 2013
A tornado kicked up debris in an Oklahoma City suburb and threatened a number of tourist attractions on historic Route 66 but there were no immediate reports of injuries or major damage.
Tornado Touches Down in Wichita
May 19, 2013
State emergency officials are monitoring a tornado in the Wichita area.
BREAKING: Oklahoma Tornado Devastation
May 20, 2013
The latest breaking news from the scene, tornado warnings, photos and more.
Mice Return From a Month in Space
May 19, 2013
Mice and other critters return from a month long stay in space.
Heavy Rains Cause Flooding in North Georgia
May 20, 2013
Some locations have seen 5 to 6 inches of rainfall.
May Severe Outbreak: Day 1 Recap
May 19, 2013
See the tornado, damaging wind and large hail reports on our interactive map.
Tornado Hunt Captures Multiple Tornadoes in Progress
May 19, 2013
See images and video from the Plains as severe thunderstorms left their mark.
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

South Yarmouth Weather at a Glance

Updated 5:55 AM EDT
Weather Station - Report - Buy a Station
West Dennis
Elevation
15 ft
Report Station
You are about to report this weather station for bad data.

Please select the information which is incorrect and click 'Submit' otherwise click 'Cancel'.

— Cancel

Now
Overcast
Overcast
Temperature
63.1 °F
Feels Like 63.1 °F
Wind(mph)
0.0
Sunrise / Set
5:15 AM
7:59 PM
Moon
Waxing Gibbous
Today
Chance of a Thunderstorm 64 °F
Chance of a Thunderstorm
20% chance of precipitation
Tonight
Chance of Rain 54 °F
Chance of Rain
40% chance of precipitation
Tomorrow
Chance of Rain 70 | 57 °F
Chance of Rain
20% chance of precipitation
Thursday
Chance of Rain 70 | 57 °F
Chance of Rain
60% chance of precipitation
Friday
Chance of Rain 68 | 52 °F
Chance of Rain
20% chance of precipitation
Saturday
Chance of Rain 66 | 50 °F
Chance of Rain
50% chance of precipitation
Today is forecast to be Much Cooler than yesterday.
Conditions
Pressure
29.95 in
Visibility
2.5 miles
Clouds
Overcast 500 ft
Moisture
Humidity
68%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
SPECI KHYA 210938Z 00000KT 2 1/2SM BR OVC005 14/13 A2995 RMK AO2
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
63.1 °F
61,59,62,63,63,62,61,60,59,58,59,57,55
Dew Point
52 °F
Wind
Speed / Dir
Calm
Wind Gust
3.0 mph
Health
UV
0 out of 16
Pollen
4.00 out of 12
Pollen Forecast
Ozone
Good
Flu Activity
Local Activity
View Flu Map
Loading…
Source: BestForecast
Descriptive Forecast
Tuesday
mostlycloudy Overcast with a chance of a thunderstorm and a chance of rain. High of 64F. Winds from the SSE at 10 to 15 mph. Chance of rain 20%.
Tuesday Night
nt_chancerain Overcast with a chance of rain. Fog overnight. Low of 54F. Winds from the South at 5 to 10 mph. Chance of rain 40%.
Wednesday
mostlycloudy Mostly cloudy with a chance of rain. Fog early. High of 70F. Winds from the WSW at 10 to 15 mph. Chance of rain 20%.
Wednesday Night
nt_mostlycloudy Mostly cloudy with a chance of rain. Fog overnight. Low of 57F. Breezy. Winds from the SW at 10 to 20 mph. Chance of rain 20%.
Thursday
chancerain Mostly cloudy with a chance of rain. High of 70F. Breezy. Winds from the SW at 15 to 20 mph. Chance of rain 60%.
Thursday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain showers, then a chance of rain after midnight. Fog overnight. Low of 57F. Breezy. Winds from the SSW at 20 to 25 mph. Chance of rain 40%.
Friday
cloudy Overcast with a chance of rain. High of 68F. Breezy. Winds from the SSW at 15 to 25 mph. Chance of rain 20%.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and rain, then a chance of rain after midnight. Fog overnight. Low of 52F. Breezy. Winds from the SW at 15 to 20 mph shifting to the NNE after midnight. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Saturday
chancerain Clear with a chance of rain in the morning, then partly cloudy with a chance of rain. High of 66F. Windy. Winds from the North at 25 to 35 mph. Chance of rain 50%.
Saturday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 50F. Windy. Winds from the NNW at 25 to 35 mph. Chance of rain 50%.
Sunday
cloudy Overcast. High of 66F. Breezy. Winds from the NW at 10 to 25 mph.
Sunday Night
nt_cloudy Overcast. Low of 52F. Winds from the NE at 5 to 15 mph shifting to the WNW after midnight.
Monday
partlycloudy Clear. High of 68F. Breezy. Winds from the WSW at 15 to 20 mph.
Monday Night
nt_clear Clear. Low of 55F. Breezy. Winds from the West at 10 to 20 mph.
Tuesday
clear Clear. High of 70F. Winds from the WSW at 5 to 15 mph.
Tuesday Night
nt_clear Clear. Low of 57F. Winds from the SSW at 5 to 20 mph.
Wednesday
clear Clear. High of 72F. Winds from the SSW at 5 to 10 mph.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 55F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 72F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Thursday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 57F. Winds from the SSW at 5 to 15 mph. Chance of rain 40%.
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 73F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Friday Night
nt_partlycloudy Clear with a chance of a thunderstorm. Fog overnight. Low of 57F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Loading…
 
First Previous Last Next  
Updated:  
 
 

 

Nowcast
Dense fog advisory in effect until 10 am EDT this morning...
Displaying 0–0 of 39 Stations ► ◄
webcam preview

Weather Forecast for South Yarmouth MA

View Calendar 10-Day Forecast for station KMAWESTD3

Tuesday, 21
Chance of a Thunderstorm
64 | 54 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Wednesday, 22
Chance of Rain
70 | 57 °F
Chance of Rain
Chance of
Precipitation
20%
Thursday, 23
Chance of Rain
70 | 57 °F
Chance of Rain
Chance of
Precipitation
60%
Friday, 24
Chance of Rain
68 | 52 °F
Chance of Rain
Chance of
Precipitation
20%
Saturday, 25
Chance of Rain
66 | 50 °F
Chance of Rain
Chance of
Precipitation
50%
Sunday, 26
Overcast
66 | 52 °F
Overcast
Chance of
Precipitation
0%
Monday, 27
Partly Cloudy
68 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 28
Clear
70 | 57 °F
Clear
Chance of
Precipitation
0%
Wednesday, 29
Clear
72 | 55 °F
Clear
Chance of
Precipitation
0%
Thursday, 30
Chance of a Thunderstorm
72 | 57 °F
Chance of T-storms
Chance of
Precipitation
40%
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Tuesday
mostlycloudy Overcast with a chance of a thunderstorm and a chance of rain. High of 64F. Winds from the SSE at 10 to 15 mph. Chance of rain 20%.
Tuesday Night
nt_chancerain Overcast with a chance of rain. Fog overnight. Low of 54F. Winds from the South at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 55 62 | 56 58 | 55 60 | 54
Wind 4 mph South 10 mph SE 9 mph SSE 7 mph SSE
Humidity 88% 76% 88% 84%
Chance of Precip. 10% 20% 20% 40%
Cloud Cover 98% 92% 86% 98%
Conditions Fog Chance of a Thunderstorm Chance of Rain Chance of Rain
Sunrise & Sunset
5:15 AM
7:59 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.76], Average RMSE [1.81]
The National Weather Service forecast quality is fair. MaxT RMSE [2.55], Average RMSE [2.53] : Use NWS
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Wednesday
mostlycloudy Mostly cloudy with a chance of rain. Fog early. High of 70F. Winds from the WSW at 10 to 15 mph. Chance of rain 20%.
Wednesday Night
nt_mostlycloudy Mostly cloudy with a chance of rain. Fog overnight. Low of 57F. Breezy. Winds from the SW at 10 to 20 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 56 65 | 63 67 | 64 62 | 60
Wind 8 mph WSW 11 mph SW 12 mph SW 15 mph SW
Humidity 90% 89% 88% 92%
Chance of Precip. 40% 30% 20% 20%
Cloud Cover 91% 87% 64% 83%
Conditions Chance of Rain Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
5:14 AM
8:00 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.41], Average RMSE [2.37]
The National Weather Service forecast quality is fair. MaxT RMSE [2.56], Average RMSE [2.05] : Use NWS
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Thursday
chancerain Mostly cloudy with a chance of rain. High of 70F. Breezy. Winds from the SW at 15 to 20 mph. Chance of rain 60%.
Thursday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain showers, then a chance of rain after midnight. Fog overnight. Low of 57F. Breezy. Winds from the SSW at 20 to 25 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 58 67 | 60 64 | 58 62 | 57
Wind 14 mph SW 19 mph SW 16 mph SW 24 mph SSW
Humidity 98% 77% 79% 86%
Chance of Precip. 20% 50% 50% 10%
Cloud Cover 86% 85% 85% 100%
Conditions Chance of Rain Chance of Rain Chance of Rain Overcast
Sunrise & Sunset
5:14 AM
8:01 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.75], Average RMSE [2.60]
The National Weather Service forecast quality is fair. MaxT RMSE [3.41], Average RMSE [1.51] : Use NWS
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Friday
cloudy Overcast with a chance of rain. High of 68F. Breezy. Winds from the SSW at 15 to 25 mph. Chance of rain 20%.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and rain, then a chance of rain after midnight. Fog overnight. Low of 52F. Breezy. Winds from the SW at 15 to 20 mph shifting to the NNE after midnight. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 57 65 | 57 62 | 57 56 | 56
Wind 21 mph SSW 17 mph SSW 18 mph SSW 9 mph WSW
Humidity 92% 75% 82% 98%
Chance of Precip. 20% 20% 10% 30%
Cloud Cover 100% 100% 99% 47%
Conditions Chance of Rain Chance of Rain Overcast Chance of Rain
Sunrise & Sunset
5:13 AM
8:02 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.50], Average RMSE [2.71]
The National Weather Service forecast quality is poor. MaxT RMSE [3.75], Average RMSE [1.93] : Use NWS
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Saturday
chancerain Clear with a chance of rain in the morning, then partly cloudy with a chance of rain. High of 66F. Windy. Winds from the North at 25 to 35 mph. Chance of rain 50%.
Saturday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 50F. Windy. Winds from the NNW at 25 to 35 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 53 62 | 49 60 | 47 56 | 46
Wind 17 mph NNE 27 mph North 31 mph North 29 mph NNW
Humidity 92% 62% 64% 69%
Chance of Precip. 20% 20% 10% 30%
Cloud Cover 0% 6% 19% 18%
Conditions Chance of Rain Chance of Rain Clear Chance of Rain
Sunrise & Sunset
5:12 AM
8:03 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.99], Average RMSE [2.51]
The National Weather Service forecast quality is poor. MaxT RMSE [3.82], Average RMSE [2.09] : Use NWS
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Sunday
cloudy Overcast. High of 66F. Breezy. Winds from the NW at 10 to 25 mph.
Sunday Night
nt_cloudy Overcast. Low of 52F. Winds from the NE at 5 to 15 mph shifting to the WNW after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 42 61 | 42 62 | 45 57 | 46
Wind 23 mph NNW 14 mph NW 8 mph NW 5 mph NE
Humidity 65% 49% 54% 64%
Chance of Precip. 10% 10% 0% 10%
Cloud Cover 100% 99% 99% 100%
Conditions Overcast Overcast Overcast Overcast
Sunrise & Sunset
5:11 AM
8:04 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.71], Average RMSE [2.81]
The National Weather Service forecast quality is poor. MaxT RMSE [3.58], Average RMSE [2.14] : Use NWS
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Monday
partlycloudy Clear. High of 68F. Breezy. Winds from the WSW at 15 to 20 mph.
Monday Night
nt_clear Clear. Low of 55F. Breezy. Winds from the West at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 44 64 | 45 64 | 47 58 | 48
Wind 14 mph WNW 13 mph West 18 mph SW 16 mph WSW
Humidity 67% 48% 54% 70%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 98% 48% 0% 0%
Conditions Overcast Partly Cloudy Clear Clear
Sunrise & Sunset
5:11 AM
8:05 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.99], Average RMSE [2.52]
The National Weather Service forecast quality is poor. MaxT RMSE [4.04], Average RMSE [1.97] : Use NWS
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Tuesday
clear Clear. High of 70F. Winds from the WSW at 5 to 15 mph.
Tuesday Night
nt_clear Clear. Low of 57F. Winds from the SSW at 5 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 46 65 | 46 64 | 48 60 | 51
Wind 7 mph WNW 7 mph WSW 15 mph SSW 9 mph South
Humidity 67% 49% 56% 71%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 1% 1% 3%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:10 AM
8:05 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.77], Average RMSE [2.36]
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Wednesday
clear Clear. High of 72F. Winds from the SSW at 5 to 10 mph.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 55F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 53 66 | 55 65 | 55 60 | 56
Wind 7 mph SSW 7 mph SSW 9 mph South 6 mph SSW
Humidity 83% 64% 69% 87%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 3% 5% 7% 26%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:10 AM
8:06 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.16], Average RMSE [3.51]
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 72F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Thursday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 57F. Winds from the SSW at 5 to 15 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 57 67 | 59 67 | 59 62 | 58
Wind 3 mph SW 5 mph SSW 9 mph South 9 mph SSW
Humidity 94% 71% 74% 89%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 62% 80% 82% 78%
Conditions Fog Mostly Cloudy Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
5:09 AM
8:07 PM
Source: BestForecast at 4:09 AM EDT on May 21, 2013
Descriptive Forecast
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 73F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Friday Night
nt_partlycloudy Clear with a chance of a thunderstorm. Fog overnight. Low of 57F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 58 69 | 59 70 | 59 64 | 59
Wind 6 mph SW 5 mph SW 7 mph South 5 mph SSW
Humidity 93% 68% 67% 85%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 68% 64% 65% %
Conditions Fog Mostly 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 (KHYA) 64 °F 49 °F
Record (KHYA) 80 °F (1959) 30 °F (1956)
Yesterday 69.3 °F 59.4 °F
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
Current Good
OZONE
Tuesday Good
PM2.5
Tuesday Good
OZONE
Coastal Water Temperatures
Place Temperature
Nantucket Island, MA 62.1 °F
Woods Hole, MA 57.9 °F
Fall River, MA 62.1 °F
Boston, MA 54.0 °F
Marine Forecast - Surf Forecast
Astronomy
May. 21, 2013 Rise Set
Actual Time 5:15 AM EDT 7:59 PM EDT
Civil Twilight 4:43 AM EDT 8:32 PM EDT
Nautical Twilight 4:02 AM EDT 9:12 PM EDT
Astronomical Twilight 3:16 AM EDT 9:59 PM EDT
Moon 4:06 PM EDT 2:45 AM EDT
Length Of Visible Light 15h 48m
Length of Day
14h 44m
Tomorrow will be 1m 43s longer.
Waxing Gibbous, 81% 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
66 °F
East Milton
66 °F
Worcester
64 °F
Westfield
63 °F
Fitchburg
63 °F
New Bedford
55 °F
Hyannis
55 °F
Norwood
55 °F
Pittsfield
55 °F
Bedford
55 °F
Cape Cod CGAS
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
Follow us on Twitter Find us on Facebook Community
WunderPhotos®
Storm Clouds
Mini-Falls!
• • • • • • • • • •
Uploaded by: LatitudeNorth19
1,613,519 photos uploaded!
Upload a photo now
Visit WunderPhotos
WunderBlogs®
Parnassus's Transformation (#30...
By PeaceRiverBP 21 hours ago
Visit WunderBlogs
Travel & Activities
Travel Planning
Travel Planner Road Trip Planner
Destination? *
When are you going?
to
Is there an activity you would like to explore?
* Required field
View all Travel Tools
Aviation
City Temp. Conditions Updated
Hyannis 57 °F Overcast 5:38 AM EDT
Chatham 59 °F Overcast 5:52 AM EDT
Cape Cod CGAS 55 °F Overcast 5:35 AM EDT
Provincetown 57 °F Overcast 5:35 AM EDT
View all Aviation Tools
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: LIFR (KHYA)
Wind Speed: 0.0 kts.
Wind Dir: 74° (ENE)
Ceiling: 500 ft

SPECI KHYA 210938Z 00000KT 2 1/2SM BR OVC005 14/13 A2995 RMK AO2

View all Reports & Maps
Nearby Events
Event Date Forecast
Tutti Italiani 7:00 PM EDT
2013-04-22		 Mostly Cloudy, 44°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, 79 °F
Yankees vs. Orioles 7:05 PM EDT on May 21, 2013 Chance of a Thunderstorm, 79 °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 Chance of Rain, 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, 68 °F
View all Sports Weather
Videos
Year In Weather 2012

Watch the nearly year-long satellite animation as Weather Underground calls out the most significant weather events of the past year, including Superstorm Sandy and Hurricane Isaac.

Visit Our Video Section
Weather Stations
Station Location Temp. Dew Point Humidity Wind Precipitation Elevation Updated Type Website
West Dennis, MA 63.1 °F 52 °F 68% ENE  at  0.0 mph 0.00 in / hr 15 ft 5:55 AM EDT Rapid Fire  
Hazelwood Road, South Dennis, MA 57.5 °F 57 °F 98% SSE  at  0.0 mph 0.00 in / hr 41 ft 5:50 AM EDT Normal
APRSWXNET Yarmouth Port MA , Cummaquid, MA 58 °F 57 °F 97% SW  at  0 mph 0.00 in / hr 84 ft 5:31 AM EDT MADIS
North Harwich, Harwich, MA 57.8 °F 57 °F 97% SSW  at  0.0 mph 0.00 in / hr 31 ft 5:55 AM EDT Normal
Scargo Hill Dennis MA, Dennis, MA 58.5 °F 58 °F 99% South  at  0.0 mph 0.00 in / hr 133 ft 5:55 AM EDT Rapid Fire  
Cape Air EDC Building, Hyannis, MA 62.2 °F 61 °F 97% NNE  at  0.0 mph 0.00 in / hr 49 ft 5:55 AM EDT Rapid Fire  
N2KNL / KB1VAJ Amateur Radio, Harwich, MA 57.5 °F 57 °F 99% WSW  at  0.0 mph 0.00 in / hr 36 ft 5:55 AM EDT Rapid Fire
E. Harwich DW5051 BETA, East Harwich, MA 58.8 °F 56 °F 90% West  at  0.0 mph 0.00 in / hr 59 ft 5:55 AM EDT Rapid Fire  
East Harwich DW5051, East Harwich, MA 57.8 °F 56 °F 95% North  at  0.0 mph 0.00 in / hr 59 ft 5:55 AM EDT Rapid Fire
South Chatham, MA 58.8 °F 55 °F 87% ENE  at  0.0 mph 0.00 in / hr 62 ft 5:55 AM EDT Rapid Fire  
Centerville, MA 55.9 °F 55 °F 97% NW  at  0.0 mph 0.00 in / hr 80 ft 5:55 AM EDT Rapid Fire  
south chatham, South Chatham, MA 57.8 °F 57 °F 98% SSW  at  0.0 mph 0.00 in / hr 50 ft 5:50 AM EDT Normal
Buck's Creek, Chatham, MA 58.3 °F 58 °F 98% ESE  at  1.0 mph 0.00 in / hr 7 ft 5:53 AM EDT Normal  
WA1JSE Cape Cod, Osterville, MA 56.1 °F 53 °F 88% WSW  at  0.0 mph 0.00 in / hr 49 ft 5:55 AM EDT Rapid Fire  
Chatham Emergency Management EOC, Chatham, MA 58.1 °F 58 °F 99% SSW  at  0.0 mph 0.00 in / hr 66 ft 5:50 AM EDT Normal
Oyster River Boatyard, West Chatham, MA 58.3 °F 58 °F 99% SSE  at  0.0 mph 0.00 in / hr 10 ft 5:41 AM EDT Normal
WEST BARNSTABLE, West Barnstable, MA 57.9 °F 57 °F 98% NW  at  0.0 mph 0.00 in / hr 90 ft 5:55 AM EDT Rapid Fire  
ORLEANS, SOUTH ORLEANS, MA 60.4 °F 52 °F 73% SE  at  0.0 mph 0.00 in / hr 45 ft 5:55 AM EDT Normal
Chatham Wind and Time, West Chatham, MA 58.3 °F 58 °F 100% WSW  at  0.0 mph 0.00 in / hr 50 ft 5:55 AM EDT Normal
Chatham MA, North Chatham, MA 58.3 °F 58 °F 99% SE  at  0.0 mph 0.00 in / hr 28 ft 5:55 AM EDT Rapid Fire
Cape Cod Airport, Barnstable Town, MA 56.1 °F 53 °F 88% SW  at  0.0 mph 0.00 in / hr 100 ft 5:55 AM EDT Rapid Fire
Outermost Harbor, Chatham, MA 56.2 °F 56 °F 98% West  at  0.0 mph 0.00 in / hr 3 ft 5:46 AM EDT Normal
Muddy Pond, Eastham, MA 58.1 °F 122 °F - East  at  0.0 mph 0.00 in / hr 16 ft 5:55 AM EDT Rapid Fire  
Nauset Heights, East Orleans, MA 60.6 °F 53 °F 75% SSE  at  0.0 mph 0.00 in / hr 39 ft 5:55 AM EDT Normal  
Nauset Heights Bluff, Orleans, MA 58.0 °F - - South  at  0.0 mph 0.00 in / hr 40 ft 5:54 AM EDT Rapid Fire
Ockway Bay Landing, Mashpee, MA 57.6 °F 58 °F 100% NW  at  2.3 mph 0.00 in / hr 50 ft 5:55 AM EDT Rapid Fire
HADS SANDWICH MA, Sandwich, MA 57 °F - - North  at  - 0.00 in / hr 13 ft 5:30 AM EDT MADIS
N1RCW, Forestdale, MA 55.5 °F 56 °F 100% ENE  at  0.0 mph 0.00 in / hr 0 ft 5:55 AM EDT Rapid Fire
Heron Cottage, Eastham, MA 59.2 °F 59 °F 99% North  at  0.0 mph 0.00 in / hr 59 ft 5:55 AM EDT Rapid Fire  
North Sunken Meadow, Eastham, MA 58.6 °F 58 °F 98% WNW  at  3.0 mph 0.00 in / hr 10 ft 5:43 AM EDT Normal  
Barrowhouse Observatory, North Eastham, MA 59.2 °F 59 °F 99% East  at  0.7 mph 0.00 in / hr 20 ft 5:55 AM EDT Rapid Fire
HADS NERRS METEOROLOGICAL SITE AT WAQ MA, East Falmouth, MA 59 °F 58 °F 99% North  at  0 mph 0.00 in / hr 16 ft 4:45 AM EDT MADIS
Falmouth Airpark Area, East Falmouth, MA 57.2 °F 56 °F 95% West  at  0.0 mph 0.00 in / hr 50 ft 5:50 AM EDT Normal  
MARITIME , Siasconset, MA 56 °F 56 °F 100% SW  at  9 mph 0.00 in / hr 0 ft 4:50 AM EDT MADIS
Sandwich Rd at Rt. 151, East Falmouth, MA 57.1 °F 57 °F 98% SW  at  0.0 mph 0.00 in / hr 60 ft 5:54 AM EDT Normal
Old Wharf Rd, South Wellfleet, Wellfleet, MA 56.9 °F 56 °F 96% NE  at  2.0 mph 0.00 in / hr 39 ft 5:55 AM EDT Rapid Fire  
Seacoast, Falmouth, MA 59.5 °F - - North  at  - - / hr 23 ft 2:06 AM EDT Normal  
bourne, Bourne, MA 68.5 °F - - North  at  - - / hr 82 ft 5:55 AM EDT Normal  
Bourne, Pocasset, MA 57.3 °F 57 °F 98% North  at  - - / hr 0 ft 4:58 AM EDT Normal
Would you like to share your weather data with the rest of the world? Add Your Weather Station!
Dense Fog Advisory
Mobile & Email Alerts Statement as of 5:05 AM EDT on May 21, 2013

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

* location... south coasts of Massachusetts and Rhode Island...
including Cape Cod.

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

* Timing... late tonight into Tuesday 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.




For the latest updates... please visit our webpage at
www.Weather.Gov/Boston

You can follow US on facebook at