Haymarket, VA

10:05 AM EDT on May 21, 2013 (GMT -0400)
Elev: 371 ft
Lon: 77.6° W
Lat: 38.8° N
Source
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News
Medical Examiner: 24 Dead in Oklahoma Tornado
May 21, 2013
The search and rescue efforts are ongoing in Moore, Okla. after a massive tornado levelled the town and local schools.
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
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.
Multiple Children Dead at Okla. School
May 21, 2013
More than a dozen children are dead 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.
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

Haymarket Weather at a Glance

Updated 9:52 AM EDT
Weather Station
Dulles Airport (KIAD)
Elevation
312 ft
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Now
Haze
Haze
Temperature
71 °F
Feels Like 71 °F
Wind(mph)
8
Sunrise / Set
5:53 AM
8:21 PM
Moon
Waxing Gibbous
Today
Thunderstorm 88 °F
Thunderstorm
20% chance of precipitation
Tonight
Partly Cloudy 68 °F
Partly Cloudy
20% chance of precipitation
Tomorrow
Chance of a Thunderstorm 86 | 68 °F
Chance of T-storms
30% chance of precipitation
Thursday
Chance of a Thunderstorm 79 | 52 °F
Chance of T-storms
50% chance of precipitation
Friday
Chance of Rain 68 | 48 °F
Chance of Rain
20% chance of precipitation
Saturday
Mostly Cloudy 72 | 48 °F
Mostly Cloudy
Today is forecast to be Warmer than yesterday.
Conditions
Pressure
30.00 in
Visibility
6.0 miles
Clouds
Mostly Cloudy 900 ft
Overcast 1400 ft
Moisture
Humidity
84%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KIAD 211352Z 19007KT 6SM HZ BKN009 OVC014 22/19 A3000 RMK AO2 SLP157 T02170189
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
71 °F
69,68,68,68,67,66,67,68,68,68,69,70,70
Dew Point
66 °F
Wind
Speed / Dir
8 mph from South
Wind Gust
Health
UV
2 out of 16
Pollen
8.10 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday
mostlycloudy Overcast in the morning, then mostly cloudy with thunderstorms and rain showers. Fog early. High of 88F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Tuesday Night
nt_partlycloudy Partly cloudy with thunderstorms and rain showers. Fog overnight. Low of 68F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain in the afternoon. Fog early. High of 86F. Winds from the South at 5 to 20 mph. Chance of rain 30%.
Wednesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and a chance of rain. Low of 68F. Winds from the WNW at 10 to 15 mph shifting to the South after midnight. Chance of rain 30%.
Thursday
chancetstorms Overcast with a chance of a thunderstorm and a chance of rain. High of 79F. Winds from the South at 10 to 15 mph. Chance of rain 50%.
Thursday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain. Fog overnight. Low of 52F. Winds from the SW at 5 to 10 mph shifting to the West after midnight. Chance of rain 30%.
Friday
mostlycloudy Mostly cloudy with a chance of rain in the morning, then overcast. Fog early. High of 68F. Breezy. Winds from the WNW at 10 to 20 mph. Chance of rain 20%.
Friday Night
nt_mostlycloudy Overcast in the evening, then mostly cloudy. Low of 48F. Breezy. Winds from the NW at 15 to 20 mph.
Saturday
mostlycloudy Overcast in the morning, then mostly cloudy. High of 72F. Breezy. Winds from the NNW at 15 to 20 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds from the NW at 5 to 15 mph.
Sunday
partlycloudy Partly cloudy. High of 72F. Winds from the NW at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds less than 5 mph.
Monday
partlycloudy Partly cloudy. High of 72F. Winds less than 5 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 55F. Winds less than 5 mph.
Tuesday
chancerain Mostly cloudy with a chance of rain. High of 75F. Winds from the SSE at 5 to 10 mph. Chance of rain 40%.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 61F. Winds from the SSE at 5 to 10 mph.
Wednesday
cloudy Overcast. High of 81F. Winds less than 5 mph.
Wednesday Night
nt_cloudy Overcast. Low of 64F. Winds less than 5 mph.
Thursday
partlycloudy Partly cloudy. High of 84F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds less than 5 mph.
Friday
partlycloudy Partly cloudy. High of 86F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Clear. Low of 66F. Winds less than 5 mph.
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Weather Forecast for Haymarket VA

View Calendar 10-Day Forecast for station KIAD

Tuesday, 21
Thunderstorm
88 | 68 °F
Thunderstorm
Chance of
Precipitation
20%
Wednesday, 22
Chance of a Thunderstorm
86 | 68 °F
Chance of T-storms
Chance of
Precipitation
30%
Thursday, 23
Chance of a Thunderstorm
79 | 52 °F
Chance of T-storms
Chance of
Precipitation
50%
Friday, 24
Chance of Rain
68 | 48 °F
Chance of Rain
Chance of
Precipitation
20%
Saturday, 25
Mostly Cloudy
72 | 48 °F
Mostly Cloudy
Chance of
Precipitation
0%
Sunday, 26
Partly Cloudy
72 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 27
Partly Cloudy
72 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 28
Chance of Rain
75 | 61 °F
Chance of Rain
Chance of
Precipitation
40%
Wednesday, 29
Overcast
81 | 64 °F
Overcast
Chance of
Precipitation
0%
Thursday, 30
Partly Cloudy
84 | 66 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Tuesday
mostlycloudy Overcast in the morning, then mostly cloudy with thunderstorms and rain showers. Fog early. High of 88F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Tuesday Night
nt_partlycloudy Partly cloudy with thunderstorms and rain showers. Fog overnight. Low of 68F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 64 77 | 69 84 | 68 71 | 67
Wind 2 mph South 5 mph SSW 9 mph South 6 mph SSW
Humidity 93% 75% 60% 85%
Chance of Precip. 10% 10% 20% 20%
Cloud Cover 65% 100% 68% 56%
Conditions Fog Overcast Thunderstorm Thunderstorm
Sunrise & Sunset
5:53 AM
8:21 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.40], Average RMSE [2.59]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.38], Average RMSE [2.02] : 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 in the afternoon. Fog early. High of 86F. Winds from the South at 5 to 20 mph. Chance of rain 30%.
Wednesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and a chance of rain. Low of 68F. Winds from the WNW at 10 to 15 mph shifting to the South after midnight. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 65 81 | 70 80 | 70 74 | 65
Wind 6 mph SSW 9 mph SSW 17 mph South 4 mph NNE
Humidity 85% 65% 66% 76%
Chance of Precip. 10% 10% 30% 30%
Cloud Cover 74% 82% 80% 89%
Conditions Fog Mostly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:52 AM
8:22 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.73], Average RMSE [2.44]
The National Weather Service forecast quality is good. MaxT RMSE [2.08], Average RMSE [2.28] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Thursday
chancetstorms Overcast with a chance of a thunderstorm and a chance of rain. High of 79F. Winds from the South at 10 to 15 mph. Chance of rain 50%.
Thursday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain. Fog overnight. Low of 52F. Winds from the SW at 5 to 10 mph shifting to the West after midnight. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 74 | 64 74 | 63 66 | 63
Wind 12 mph South 13 mph SSW 10 mph South 7 mph SW
Humidity 83% 68% 70% 93%
Chance of Precip. 30% 50% 50% 30%
Cloud Cover 100% 100% 94% 95%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:51 AM
8:23 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.14], Average RMSE [2.48]
The National Weather Service forecast quality is good. MaxT RMSE [2.26], Average RMSE [2.44] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Friday
mostlycloudy Mostly cloudy with a chance of rain in the morning, then overcast. Fog early. High of 68F. Breezy. Winds from the WNW at 10 to 20 mph. Chance of rain 20%.
Friday Night
nt_mostlycloudy Overcast in the evening, then mostly cloudy. Low of 48F. Breezy. Winds from the NW at 15 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 55 60 | 54 66 | 48 56 | 42
Wind 6 mph WNW 14 mph WNW 16 mph NW 14 mph NW
Humidity 87% 84% 51% 62%
Chance of Precip. 10% 20% 10% 10%
Cloud Cover 92% 81% 84% 86%
Conditions Overcast Chance of Rain Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
5:51 AM
8:23 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.78], Average RMSE [3.32]
The National Weather Service forecast quality is fair. MaxT RMSE [2.73], Average RMSE [2.80] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Saturday
mostlycloudy Overcast in the morning, then mostly cloudy. High of 72F. Breezy. Winds from the NNW at 15 to 20 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds from the NW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 37 61 | 36 68 | 38 59 | 36
Wind 16 mph NW 17 mph NNW 13 mph NNW 9 mph NNW
Humidity 57% 37% 34% 43%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 86% 19% 89% 40%
Conditions Mostly Cloudy Clear Overcast Partly Cloudy
Sunrise & Sunset
5:50 AM
8:24 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.67], Average RMSE [2.93]
The National Weather Service forecast quality is poor. MaxT RMSE [3.52], Average RMSE [3.30] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 72F. Winds from the NW at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 35 62 | 37 65 | 40 56 | 39
Wind 6 mph NW 8 mph NNW 5 mph NNW 2 mph West
Humidity 52% 41% 39% 51%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 4% 55% 100% 23%
Conditions Clear Partly Cloudy Overcast Clear
Sunrise & Sunset
5:50 AM
8:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.97], Average RMSE [2.86]
The National Weather Service forecast quality is poor. MaxT RMSE [3.55], Average RMSE [3.30] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 72F. Winds less than 5 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 38 65 | 45 65 | 53 58 | 53
Wind 5 mph NNE 5 mph East 5 mph SE 5 mph SSE
Humidity 63% 48% 63% 79%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 17% 72% 100% 30%
Conditions Clear Mostly Cloudy Overcast Partly Cloudy
Sunrise & Sunset
5:49 AM
8:26 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.38], Average RMSE [3.01]
The National Weather Service forecast quality is fair. MaxT RMSE [3.25], Average RMSE [3.67] : Use NWS
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Tuesday
chancerain Mostly cloudy with a chance of rain. High of 75F. Winds from the SSE at 5 to 10 mph. Chance of rain 40%.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 61F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 52 68 | 60 71 | 62 63 | 62
Wind 3 mph SSE 7 mph SSE 8 mph SSE 4 mph SSE
Humidity 84% 75% 72% 98%
Chance of Precip. 20% 10% 10% 10%
Cloud Cover 46% 23% 79% 87%
Conditions Chance of Rain Clear Mostly Cloudy Fog
Sunrise & Sunset
5:49 AM
8:27 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.63], Average RMSE [4.44]
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Wednesday
cloudy Overcast. High of 81F. Winds less than 5 mph.
Wednesday Night
nt_cloudy Overcast. Low of 64F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 63 76 | 64 76 | 67 67 | 65
Wind 3 mph South 4 mph South 5 mph South 4 mph South
Humidity 95% 67% 69% 97%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 100% 100% 100% 100%
Conditions Fog Overcast Overcast Overcast
Sunrise & Sunset
5:48 AM
8:27 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.30], Average RMSE [4.64]
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 84F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 78 | 65 79 | 66 69 | 66
Wind 4 mph South 4 mph SSW 4 mph South 3 mph SSW
Humidity 84% 64% 64% 91%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 44% 41% 40% 35%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:48 AM
8:28 PM
Source: BestForecast at 9:19 AM EDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 86F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Clear. Low of 66F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 65 80 | 66 80 | 68 70 | 67
Wind 3 mph SSW 3 mph SSW 3 mph SSW 2 mph South
Humidity 84% 63% 64% 92%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 26% 30% 50% %
Conditions Partly Cloudy Partly Cloudy Partly 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 76 °F 53 °F
Record 92 °F (1996) 33 °F (1992)
Yesterday 81 °F 66 °F
Yesterday's Cooling Degree Days: 9
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
PM10
Yesterday Good
OZONE
Current Good
PM2.5
Current Good
OZONE
Tuesday Moderate
PM2.5
Tuesday Good
OZONE
Wednesday Good
OZONE
Wednesday Good
PM2.5
Thursday Good
OZONE
Thursday Good
PM2.5
Friday Good
OZONE
Friday Good
PM2.5
Coastal Water Temperatures
Place Temperature
Washington, DC 66.9 °F
Lewisetta, VA 70.0 °F
Solomons Island, MD 66.9 °F
Marine Forecast
Astronomy
May. 21, 2013 Rise Set
Actual Time 5:53 AM EDT 8:21 PM EDT
Civil Twilight 5:22 AM EDT 8:52 PM EDT
Nautical Twilight 4:45 AM EDT 9:30 PM EDT
Astronomical Twilight 4:03 AM EDT 10:12 PM EDT
Moon 4:34 PM EDT 3:17 AM EDT
Length Of Visible Light 15h 29m
Length of Day
14h 28m
Tomorrow will be 1m 31s 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
77 °F
Newport News
75 °F
Melfa
75 °F
Wallops Island
75 °F
Tappahannock
73 °F
Richmond Hanover County
57 °F
Dublin
57 °F
Marion
59 °F
Jonesville
59 °F
Abingdon
60 °F
Hot Springs
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
Manassas 70 °F Overcast 9:45 AM EDT
Dulles Airport 71 °F Haze 9:52 AM EDT
Warrenton 72 °F Overcast 9:55 AM EDT
Leesburg 73 °F Overcast 9:55 AM EDT
View all Aviation Tools
Flight To ETA Status
ASQ5080
Atlanta, GA 		KIAD 09:54AM On Time
SCX8605
Des Moines, IA 		KIAD 09:56AM On Time
CHQ6060
New York, NY 		KIAD 10:00AM On Time
FLG3606
Atlanta, GA 		KIAD 10:07AM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: IFR (KIAD)
Wind Speed: 7.0 kts.
Wind Dir: 190° (South)
Ceiling: 900 ft

METAR KIAD 211352Z 19007KT 6SM HZ BKN009 OVC014 22/19 A3000 RMK AO2 SLP157 T02170189

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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Sports
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.

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Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Greenhill Crossing, Haymarket, VA 71.4 °F - 69 °F 91% East  at  1.0 mph 0.00 in / hr 0 ft 10:04 AM EDT Normal
Piedmont, Haymarket, VA 67.3 °F - - - South  at  2.9 mph 0.00 in / hr 358 ft 10:05 AM EDT Rapid Fire  
VADOT I-66_@_Haymarket, Broad Run, VA 69 °F - 65 °F 87% West  at  1 mph 0.00 in / hr 429 ft 9:12 AM EDT MADIS
Oak Valley/KT4ER, Gainesville, VA 71.1 °F - 68 °F 89% SW  at  0.0 mph 0.00 in / hr 496 ft 10:05 AM EDT Rapid Fire  
Oak Valley / Yewing, Gainesville, VA 71.2 °F - 68 °F 89% SW  at  0.0 mph 0.00 in / hr 370 ft 9:59 AM EDT Normal  
Mountainview Estates, Haymarket, VA 72.4 °F 72 °F 66 °F 81% WSW  at  0.0 mph 0.00 in / hr 486 ft 10:04 AM EDT Rapid Fire  
JAWS - Just Another Weather Station, Gainesville, VA 67.8 °F - 68 °F 99% South  at  0.0 mph 0.00 in / hr 367 ft 7:11 AM EDT Rapid Fire  
Snow Hill, Haymarket, VA 72.0 °F - 69 °F 90% South  at  0.0 mph 0.00 in / hr 454 ft 10:05 AM EDT Rapid Fire  
Bridlewood, Gainesville, VA 72.9 °F 72 °F 68 °F 86% South  at  4.0 mph 0.00 in / hr 285 ft 10:04 AM EDT Rapid Fire  
Evergreen Country Club, Haymarket, VA 71.1 °F - 67 °F 88% NW  at  1.0 mph 0.00 in / hr 436 ft 10:03 AM EDT Normal  
Compass Rose Farm, Haymarket, VA 70.2 °F - 68 °F 92% SSE  at  2.0 mph 0.00 in / hr 350 ft 10:04 AM EDT Rapid Fire  
Bull Run Mtn, Haymarket, VA 70.9 °F - 68 °F 92% East  at  0.0 mph 0.00 in / hr 642 ft 10:00 AM EDT Normal
Bull Run Mountain (FBI Unit #2666), Haymarket, VA 70.8 °F - 68 °F 90% South  at  1.0 mph 0.00 in / hr 565 ft 9:58 AM EDT Normal  
Brookside, Warrenton, VA 66.4 °F - 65 °F 94% SW  at  1.8 mph 0.00 in / hr 371 ft 10:04 AM EDT Rapid Fire  
APRSWXNET Warrenton VA, New Baltimore, VA 68 °F - 67 °F 96% WSW  at  1 mph 0.00 in / hr 571 ft 9:31 AM EDT MADIS
Cedar Crest, Chantilly, VA 71.4 °F - 68 °F 90% SSW  at  3.0 mph 0.00 in / hr 292 ft 9:53 AM EDT Normal  
Bull Run Mountain, Haymarket, VA 68.7 °F - 67 °F 95% ESE  at  3.0 mph 0.00 in / hr 1035 ft 10:04 AM EDT Normal  
Kirkpatrick Farms, Aldie, VA 74.1 °F 74 °F 69 °F 85% East  at  0.0 mph 0.00 in / hr 358 ft 10:00 AM EDT Normal
Wakefield School, The Plains, VA 74.4 °F 71 °F 74 °F 100% SSE  at  0.0 mph 0.00 in / hr 554 ft 10:04 AM EDT Rapid Fire  
Westgate, Manassas, VA 71.7 °F - 68 °F 88% WSW  at  1.0 mph 0.00 in / hr 178 ft 10:05 AM EDT Rapid Fire
Great Oak, Manassas, VA 70.8 °F - 68 °F 92% SSW  at  0.0 mph 0.00 in / hr 227 ft 9:53 AM EDT Normal  
Lee Manor, Manassas, VA 69.8 °F - 68 °F 94% SSW  at  0.0 mph 0.00 in / hr 275 ft 10:05 AM EDT Normal
Stone Ridge, Stone Ridge, VA 77.7 °F 80 °F 69 °F 74% East  at  0.9 mph 0.00 in / hr 365 ft 10:04 AM EDT Rapid Fire  
Parkgate House, Nokesville, VA 71.1 °F - 70 °F 98% South  at  4.2 mph - / hr 220 ft 10:02 AM EDT Normal  
CENTREweather, Centreville, VA 70.8 °F - 67 °F 89% SSW  at  0.0 mph 0.00 in / hr 262 ft 10:04 AM EDT Rapid Fire
Ridings at Blue Springs, Chantilly, VA 70.8 °F - 68 °F 91% SSW  at  0.0 mph 0.00 in / hr 303 ft 10:01 AM EDT Normal
Centreville, VA, Centreville, VA 72.7 °F 72 °F 68 °F 84% South  at  1.7 mph - / hr 351 ft 9:50 AM EDT Normal  
Cannonball Ridge, Warrenton, VA 68.9 °F - 66 °F 92% SSW  at  3.0 mph 0.00 in / hr 757 ft 10:04 AM EDT Normal  
Little Rocky Run, Clifton, VA 70.9 °F - 68 °F 90% East  at  3.8 mph 0.00 in / hr 302 ft 10:04 AM EDT Rapid Fire  
APRSWXNET Centreville VA , Centreville, VA 70 °F - 67 °F 90% SSE  at  0 mph 0.00 in / hr 308 ft 9:39 AM EDT MADIS
Little Rocky Run, Centreville, VA 71.2 °F - 68 °F 88% SW  at  4.0 mph 0.00 in / hr 308 ft 10:04 AM EDT Rapid Fire  
Middleburg Online, Middleburg, VA 74.1 °F 75 °F 66 °F 76% NNW  at  1.0 mph 0.00 in / hr 525 ft 10:00 AM EDT Rapid Fire
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