Rockville, MD

8:31 AM EDT on May 27, 2012 (GMT -0400)
Elev: 459 ft
Lon: 77.2° W
Lat: 39.1° N
Source
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Active Advisory: Air Quality Alert (US Severe Weather)
Tropical Weather: Subtropical Storm Beryl (North Atlantic) Tropical Storm Sanvu (Western Pacific)
Weather Summary
Shaun Tanner
Weather Underground Forecast for Sunday, May 27, 2012. More interesting weather for many parts of the country is expected Sunday. Subtropical Storm Beryl will continue on its path toward the northeast coast of Florida near Georgia. It is expected to make landfall with tropical storm strength winds either late Sunday night or early Monday morning. This storm will not be a signficant wind threat, and the rain associated with it will mostly be a blessing to this region as it has suffered through an exceptional drought.

Elsewhere, an intense heat wave will continue for the Plains and Southeast while also spreading northward into the Ohio Valley and Upper Midwest. Maximum temperature records are most likely to be broken for many areas as temperatures will soar into the 90s and 100s. Even more dangerous will be the heat index values over 100 degrees. The heat index tells you how hot the air feels. The more humid the weather, the higher the heat index will soar. Thankfully, many areas will not experience the extremely high humidity common during the Summer months.

In the West, a strong storm will move through the Northern Rockies and into the Dakotas. This storm will bring widespread rain and even some snow from Idaho through Minnesota. The associated cold front will move through the Plains, possibly instigating some strong thunderstorms that could become severe.

The Northeast will rise into the 70s and 80s, while the Southeast and Southern Plains will see temperatures in the 90s and 100s. The Northwest will rise into the 70s.
Weather Underground Forecast for Sunday, May 27, 2012. More interesting weather for many parts of the country is expected Sunday. Subtropical Storm Beryl will continue on its path toward the northeast coast of Florida near Georgia. It is expected to make landfall with tropical storm strength winds either late Sunday night or early Monday morning. This storm will not be a signficant wind threat, and the rain associated with it will mostly be a blessing to this region as it has suffered through an exceptional drought.

Elsewhere, an intense heat wave will continue for the Plains and Southeast while also spreading northward into the Ohio Valley and Upper Midwest. Maximum temperature records are most likely to be broken for many areas as temperatures will soar into the 90s and 100s. Even more dangerous will be the heat index values over 100 degrees. The heat index tells you how hot the air feels. The more humid the weather, the higher the heat index will soar. Thankfully, many areas will not experience the extremely high humidity common during the Summer months.

In the West, a strong storm will move through the Northern Rockies and into the Dakotas. This storm will bring widespread rain and even some snow from Idaho through Minnesota. The associated cold front will move through the Plains, possibly instigating some strong thunderstorms that could become severe.

The Northeast will rise into the 70s and 80s, while the Southeast and Southern Plains will see temperatures in the 90s and 100s. The Northwest will rise into the 70s.
Weather Underground Broadcast Network

Rockville Weather at a Glance

Updated 7:52 AM EDT
Weather Station
Dulles Airport (KIAD)
Elevation
312 ft
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Now
Scattered Clouds
Scattered Clouds
Temperature
72 °F
Feels Like 72 °F
Wind(mph)
9
Sunrise / Set
5:46 AM
8:25 PM
Moon
Waxing Crescent
Today
Partly Cloudy 88 °F
Partly Cloudy
Tonight
Mostly Cloudy 70 °F
Mostly Cloudy
Tomorrow
Chance of a Thunderstorm 90 | 70 °F
Chance of T-storms
20% chance of precipitation
Tuesday
Chance of a Thunderstorm 84 | 68 °F
Chance of T-storms
30% chance of precipitation
Wednesday
Mostly Cloudy 84 | 61 °F
Mostly Cloudy
Thursday
Mostly Cloudy 77 | 61 °F
Mostly Cloudy
Tropical Storm Beryl
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
30.14 in
Visibility
10.0 miles
Clouds
Few 15000 ft
Scattered Clouds 25000 ft
Moisture
Humidity
84%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KIAD 271152Z 19008KT 10SM FEW150 SCT250 22/19 A3015 RMK AO2 SLP207 T02220194 10222 20206 53011
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
72 °F
Dew Point
67 °F
Wind
Speed / Dir
9 mph from South
Wind Gust
Health
UV
1 out of 16
Pollen
7.70 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 88F. Winds from the South at 5 to 15 mph.
Sunday Night
nt_mostlycloudy Mostly cloudy. Low of 70F. Winds from the South at 5 to 10 mph.
Monday
chancetstorms Overcast in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 90F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain in the evening, then partly cloudy. Low of 70F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Tuesday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 84F. Winds from the SSW at 5 to 15 mph. Chance of rain 30%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain. Low of 68F. Winds from the WSW at 5 to 10 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Wednesday
mostlycloudy Overcast. Fog early. High of 84F. Winds from the West at 5 to 10 mph.
Wednesday Night
nt_cloudy Overcast. Low of 61F. Winds from the NW at 5 to 15 mph.
Thursday
mostlycloudy Overcast. High of 77F. Winds from the NW at 5 to 15 mph. Tropical Storm Beryl: Estimated distance to storm center 312 mi. Max sustained winds 39 mph with stronger gusts possible.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 61F. Winds less than 5 mph. Tropical Storm Beryl: Estimated distance to storm center 312 mi. Max sustained winds 39 mph with stronger gusts possible.
Friday
chancerain Overcast with a chance of rain. High of 75F. Winds from the SE at 5 to 15 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Friday Night
nt_tstorms Overcast with thunderstorms. Low of 63F. Winds from the South at 5 to 15 mph shifting to the WNW after midnight. Chance of rain 80% with rainfall amounts near 1.3 in. possible.
Saturday
mostlycloudy Mostly cloudy. High of 79F. Breezy. Winds from the WNW at 10 to 20 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds from the NW at 10 to 15 mph.
Sunday
partlycloudy Partly cloudy. High of 77F. Winds from the NW at 10 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 59F. Winds from the West at 5 to 10 mph.
Monday
mostlycloudy Mostly cloudy. High of 79F. Winds from the WNW at 5 to 10 mph.
Monday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Low of 61F. Winds less than 5 mph. Chance of rain 20%.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F with a heat index of 91F. Winds less than 5 mph. Chance of rain 40%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 63F. Winds less than 5 mph. Chance of rain 40%.
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 86F with a heat index of 108F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 63F. Winds less than 5 mph. Chance of rain 20%.
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Forecast

View Calendar 10-Day Forecast for station KIAD

Sunday, 27
Partly Cloudy
88 | 70 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 28
Chance of a Thunderstorm
90 | 70 °F
Chance of T-storms
Chance of
Precipitation
20%
Tuesday, 29
Chance of a Thunderstorm
84 | 68 °F
Chance of T-storms
Chance of
Precipitation
30%
Wednesday, 30
Mostly Cloudy
84 | 61 °F
Mostly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Mostly Cloudy
77 | 61 °F
Mostly Cloudy
Chance of
Precipitation
0%
Friday, 1
Chance of Rain
75 | 63 °F
Chance of Rain
Chance of
Precipitation
60%
Saturday, 2
Mostly Cloudy
79 | 57 °F
Mostly Cloudy
Chance of
Precipitation
0%
Sunday, 3
Partly Cloudy
77 | 59 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 4
Mostly Cloudy
79 | 61 °F
Mostly Cloudy
Chance of
Precipitation
0%
Tuesday, 5
Chance of a Thunderstorm
82 | 63 °F
Chance of T-storms
Chance of
Precipitation
40%
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 88F. Winds from the South at 5 to 15 mph.
Sunday Night
nt_mostlycloudy Mostly cloudy. Low of 70F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 69 81 | 63 84 | 65 74 | 68
Wind 5 mph SSE 9 mph South 9 mph South 6 mph SSE
Humidity 92% 53% 53% 77%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 43% 41% 12% 43%
Conditions Fog Partly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:46 AM
8:25 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.50], Average RMSE [1.77]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.31], Average RMSE [1.53] : Use NWS
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Monday
chancetstorms Overcast in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 90F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain in the evening, then partly cloudy. Low of 70F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 69 82 | 66 88 | 69 77 | 68
Wind 5 mph SSW 8 mph SSW 8 mph South 5 mph South
Humidity 93% 59% 55% 76%
Chance of Precip. 10% 10% 20% 20%
Cloud Cover 45% 79% 67% 70%
Conditions Partly Cloudy Mostly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:46 AM
8:26 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.78], Average RMSE [1.95]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.39], Average RMSE [1.78] : Use NWS
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Tuesday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 84F. Winds from the SSW at 5 to 15 mph. Chance of rain 30%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain. Low of 68F. Winds from the WSW at 5 to 10 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 71 82 | 67 81 | 68 71 | 65
Wind 6 mph South 10 mph SSW 11 mph SSW 5 mph SW
Humidity 94% 61% 63% 84%
Chance of Precip. 10% 30% 30% 40%
Cloud Cover 48% 88% 87% 100%
Conditions Partly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:45 AM
8:26 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.91], Average RMSE [2.10]
The National Weather Service forecast quality is good. MaxT RMSE [1.85], Average RMSE [1.84] : Use NWS
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Wednesday
mostlycloudy Overcast. Fog early. High of 84F. Winds from the West at 5 to 10 mph.
Wednesday Night
nt_cloudy Overcast. Low of 61F. Winds from the NW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 67 76 | 65 80 | 64 69 | 52
Wind 5 mph WSW 5 mph West 6 mph WNW 8 mph NW
Humidity 94% 74% 56% 55%
Chance of Precip. 20% 10% 10% 10%
Cloud Cover 54% 79% 86% 100%
Conditions Chance of a Thunderstorm Fog Mostly Cloudy Overcast
Sunrise & Sunset
5:45 AM
8:27 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.89], Average RMSE [1.81]
The National Weather Service forecast quality is good. MaxT RMSE [2.16], Average RMSE [1.75] : Use NWS
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Thursday
mostlycloudy Overcast. High of 77F. Winds from the NW at 5 to 15 mph. Tropical Storm Beryl: Estimated distance to storm center 312 mi. Max sustained winds 39 mph with stronger gusts possible.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 61F. Winds less than 5 mph. Tropical Storm Beryl: Estimated distance to storm center 312 mi. Max sustained winds 39 mph with stronger gusts possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 52 72 | 48 76 | 52 65 | 54
Wind 10 mph NW 10 mph NNW 5 mph NNW 2 mph SE
Humidity 70% 41% 43% 68%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 100% 94% 91% 47%
Conditions Overcast Overcast Overcast Partly Cloudy
Sunrise & Sunset
5:44 AM
8:28 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.23], Average RMSE [2.67]
The National Weather Service forecast quality is good. MaxT RMSE [2.39], Average RMSE [2.16] : Use NWS
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Friday
chancerain Overcast with a chance of rain. High of 75F. Winds from the SE at 5 to 15 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Friday Night
nt_tstorms Overcast with thunderstorms. Low of 63F. Winds from the South at 5 to 15 mph shifting to the WNW after midnight. Chance of rain 80% with rainfall amounts near 1.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 60 74 | 65 74 | 72 67 | 63
Wind 4 mph ESE 9 mph SE 12 mph SE 6 mph SW
Humidity 88% 74% 93% 85%
Chance of Precip. 0% 20% 30% 50%
Cloud Cover 36% 100% 100% 100%
Conditions Partly Cloudy Chance of Rain Chance of Rain Thunderstorm
Sunrise & Sunset
5:44 AM
8:28 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.42], Average RMSE [2.12]
The National Weather Service forecast quality is fair. MaxT RMSE [2.84], Average RMSE [2.57] : Use NWS
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Saturday
mostlycloudy Mostly cloudy. High of 79F. Breezy. Winds from the WNW at 10 to 20 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds from the NW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 64 74 | 60 75 | 59 64 | 58
Wind 8 mph WNW 13 mph West 16 mph NW 11 mph NW
Humidity 93% 61% 58% 79%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 100% 100% 100% 100%
Conditions Overcast Overcast Overcast Overcast
Sunrise & Sunset
5:44 AM
8:28 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.58], Average RMSE [3.18]
The National Weather Service forecast quality is fair. MaxT RMSE [2.78], Average RMSE [2.39] : Use NWS
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 77F. Winds from the NW at 10 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 59F. Winds from the West at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 54 74 | 61 75 | 59 64 | 53
Wind 12 mph WNW 14 mph NW 9 mph WNW 4 mph West
Humidity 78% 64% 57% 66%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 86% 30% 17% 45%
Conditions Mostly Cloudy Partly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:44 AM
8:28 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.85], Average RMSE [3.47]
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Monday
mostlycloudy Mostly cloudy. High of 79F. Winds from the WNW at 5 to 10 mph.
Monday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Low of 61F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 56 74 | 56 79 | 63 63 | 56
Wind 5 mph West 6 mph WNW 5 mph WNW 4 mph WNW
Humidity 77% 55% 57% 79%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 39% 80% 88% 95%
Conditions Partly Cloudy Mostly Cloudy Mostly Cloudy Overcast
Sunrise & Sunset
5:44 AM
8:28 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.08], Average RMSE [3.92]
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F with a heat index of 91F. Winds less than 5 mph. Chance of rain 40%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 63F. Winds less than 5 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 60 76 | 72 81 | 77 66 | 63
Wind 4 mph West 3 mph West 3 mph West 2 mph WSW
Humidity 87% 87% 84% 88%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 54% 51% 43% 50%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:44 AM
8:28 PM
Source: BestForecast at 3:24 AM EDT on May 27, 2012
Descriptive Forecast
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 86F with a heat index of 108F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 63F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 65 79 | 77 84 | 82 72 | 70
Wind 2 mph WSW 2 mph WSW 3 mph SW 3 mph WSW
Humidity 94% 96% 93% 94%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 71% 84% 86% %
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear
Sunrise & Sunset
5:44 AM
8:28 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 27, 2012 Max Temp Min Temp
Normal (KDCA) 79 °F 59 °F
Record (KDCA) 95 °F (1965) 42 °F (1915)
Yesterday 86 °F 71 °F
Yesterday's Cooling Degree Days: 14
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
Coastal Water Temperatures
Place Temperature
Washington, DC 77.0 °F
Baltimore, MD 75.9 °F
Solomons Island, MD 73.0 °F
Marine Forecast
Astronomy
May. 27, 2012 Rise Set
Actual Time 5:46 AM EDT 8:25 PM EDT
Civil Twilight 5:15 AM EDT 8:56 PM EDT
Nautical Twilight 4:36 AM EDT 9:35 PM EDT
Astronomical Twilight 3:52 AM EDT 10:19 PM EDT
Moon 11:48 AM EDT 12:32 AM EDT
Length Of Visible Light 15h 41m
Length of Day
14h 38m
Tomorrow will be 1m 17s longer.
Waxing Crescent, 36% of the Moon is Illuminated
Today
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Visit Astronomy
Today's Extremes
State Highs State Lows
77 °F
Maryland Science Center
77 °F
College Park
75 °F
Annapolis Naval Academy
73 °F
Baltimore
73 °F
Salisbury
61 °F
Ocean City
62 °F
Salisbury
62 °F
Fort Meade
64 °F
Cumberland
64 °F
Oakland
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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Nearby Events
Event Date Forecast
DC Flea 9:00 AM EDT 2012-05-27 Overcast, 75°F
BULGARE \"Bulgaria Through The Centuries\" 6:00 PM EDT 2012-05-28 Chance of a Thunderstorm, 83°F
21 Guns, A Memorial Day Salute - Westleigh Recreation Club, Gaithersburg MD 7:00 AM EDT 2012-05-28 Partly Cloudy, 71°F
Embracing Forgiveness - with Brenda Richardson and Sr. Gita 6:00 PM EDT 2012-05-29 Chance of a Thunderstorm, 80°F
Mega RSTLM May 29-30 2012 8:00 AM EDT 2012-05-29 Mostly Cloudy, 75°F
Getting Granular with Mortgages in Wheaton, MD 6:00 PM EDT 2012-05-30 Partly Cloudy, 81°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Gaithersburg 73 °F Clear 8:15 AM EDT
College Park 74 °F Clear 7:50 AM EDT
Washington 74 °F Mostly Cloudy 7:52 AM EDT
Dulles Airport 72 °F Scattered Clouds 7:52 AM EDT
View all Aviation Tools
Flight To ETA Status
PDT4631
Philadelphia, PA 		KDCA 08:23AM On Time
AWI3652
Nashville, TN 		KDCA 08:35AM On Time
JIA2348
Knoxville, TN 		KDCA 08:36AM On Time
RPA3436
Indianapolis, IN 		KDCA 08:41AM On Time
AWI3812
Charlotte, NC 		KIAD 09:00AM On Time
ASQ5877
Greensboro, NC 		KIAD 09:12AM On Time
ANA2
Tokyo (Narita) 		KIAD 10:07AM On Time
UAL923
London, England 		KIAD 10:27AM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KIAD)
Wind Speed: 8.0 kts.
Wind Dir: 190° (South)
Ceiling: Unlimited

METAR KIAD 271152Z 19008KT 10SM FEW150 SCT250 22/19 A3015 RMK AO2 SLP207 T02220194 10222 20206 53011

View all Reports & Maps
Sports
Event Date Forecast
Rockies vs. Reds 1:10 PM EDT on May 27, 2012 Partly Cloudy, 94 °F
Padres vs. Mets 1:10 PM EDT on May 27, 2012 Partly Cloudy, 79 °F
Braves vs. Nationals 7:05 PM EDT on June 01, 2012 Chance of a Thunderstorm, 74 °F
Braves vs. Nationals 4:05 PM EDT on June 02, 2012 Partly Cloudy, 72 °F
Event Date Forecast
Crewe Alexandra vs. Cheltenham Town 3:00 PM BST on May 27, 2012 Clear, High 75° F/ 24° C
Huesca vs. Deportivo 8:00 PM CEST on May 27, 2012 Chance of Rain, High 62° F/ 17° C
Montreal vs. D.C. 7:30 PM EDT on June 30, 2012 Average High 87° F/ 30° C
Columbus vs. D.C. 7:30 PM EDT on August 04, 2012 Average High 88° F/ 31° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Partly Cloudy, 85 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 27, 2012 Partly Cloudy, 79 °F
the Memorial Tournament presented by Nationwide Insurance 8:30 AM EDT on May 31, 2012 Partly Cloudy, 56 °F
AT&T National 8:30 AM EDT on June 28, 2012 Average High 86° F/ 29° C
AT&T National 8:30 AM EDT on June 29, 2012 Average High 87° F/ 30° C
View all Sports Weather
Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Woodley Gardens, Rockville, MD 72.1 °F 71 °F 67 °F 85% SE  at  0.0 mph 0.00 in / hr 451 ft 8:30 AM EDT Normal
Potomac Woods, Rockville, MD 73.2 °F 73 °F 68 °F 83% SW  at  2.0 mph 0.00 in / hr 453 ft 8:31 AM EDT Rapid Fire  
Avalon at Traville, North Potomac, MD 73.4 °F 73 °F 68 °F 82% East  at  0.4 mph 0.00 in / hr 422 ft 8:31 AM EDT Rapid Fire  
Flower Valley, Rockville, MD 76.3 °F 78 °F 68 °F 77% SSE  at  0.0 mph 0.00 in / hr 347 ft 8:22 AM EDT Normal  
MDDOT I-270 @ I-370, Gaithersburg, MD 73 °F 73 °F 67 °F 83% WSW  at  1 mph 0.00 in / hr 449 ft 8:10 AM EDT MADIS
Muddy Branch Park, Gaithersburg, MD 71.5 °F - 69 °F 93% SSW  at  0.0 mph 0.00 in / hr 394 ft 8:31 AM EDT Rapid Fire  
APRSWXNET Bethesda MD , Washington, DC 72 °F - 69 °F 89% ENE  at  0 mph 0.00 in / hr 403 ft 7:58 AM EDT MADIS
Cherrywood, Olney, MD 74.3 °F 74 °F 70 °F 85% WSW  at  1.0 mph 0.00 in / hr 522 ft 8:27 AM EDT Normal  
Wheaton, MD 73.0 °F 72 °F 68 °F 84% SSE  at  0.0 mph 0.00 in / hr 390 ft 8:31 AM EDT Rapid Fire  
Gaithersburg, MD 73.5 °F 73 °F 69 °F 85% East  at  1.0 mph 0.00 in / hr 467 ft 8:30 AM EDT Normal  
Montgomery Village, MD 74.1 °F 76 °F 62 °F 65% North  at  - - / hr 350 ft 8:31 AM EDT Rapid Fire
Longhorn, Gaithersburg, MD 71.6 °F 71 °F 66 °F 84% ESE  at  0.0 mph 0.00 in / hr 432 ft 8:30 AM EDT Normal
Edinburgh Village, Gaithersburg, MD 74.5 °F 75 °F 68 °F 81% SW  at  1.6 mph 0.00 in / hr 538 ft 8:31 AM EDT Rapid Fire  
Bennington, Gaithersburg, MD 71.8 °F - 68 °F 89% South  at  0.0 mph 0.00 in / hr 380 ft 8:30 AM EDT Normal  
Greenwich Forest, Bethesda, MD 74.3 °F 74 °F 69 °F 84% SSE  at  2.0 mph 0.00 in / hr 338 ft 8:31 AM EDT Rapid Fire
Wheaton, Silver Spring, MD 75.2 °F 76 °F 70 °F 82% SSW  at  1.1 mph 0.00 in / hr 350 ft 8:31 AM EDT Rapid Fire  
MDDOT I-495 @ Connecticut Ave, Bethesda, MD 77 °F 78 °F 72 °F 85% ESE  at  0 mph 0.00 in / hr 230 ft 8:11 AM EDT MADIS
North Springbrook, Colesville, MD 68.0 °F - 65 °F 90% NE  at  0.0 mph 0.00 in / hr 315 ft 8:28 AM EDT Rapid Fire  
Cloppers Mill East, Germantown, MD 72.4 °F 70 °F 69 °F 89% SSE  at  0.0 mph 0.00 in / hr 315 ft 8:31 AM EDT Rapid Fire
Kemp Mill, Silver Spring, MD 76.3 °F 76 °F 75 °F 97% East  at  0.7 mph 0.00 in / hr 270 ft 8:30 AM EDT Rapid Fire  
Kemp Mill/Silver Spring, Silver Spring, MD 74.5 °F 74 °F 69 °F 84% SSW  at  1.0 mph 0.00 in / hr 400 ft 8:31 AM EDT Rapid Fire
APRSWXNET Darnestown1-SW MD , Germantown, MD 70 °F - 68 °F 92% ESE  at  0 mph 0.00 in / hr 395 ft 7:41 AM EDT MADIS
APRSWXNET Silver Spring MD , Silver Spring, MD 72 °F 71 °F 68 °F 86% ESE  at  3 mph 0.00 in / hr 347 ft 8:01 AM EDT MADIS
Laytonsville, MD 72.7 °F 73 °F 66 °F 81% SW  at  0.0 mph 0.00 in / hr 600 ft 8:27 AM EDT Normal  
Somerset, Chevy Chase, MD 74.4 °F 74 °F 68 °F 82% South  at  2.0 mph 0.00 in / hr 330 ft 8:30 AM EDT Normal
APRSWXNET Great Falls V, Great Falls, VA 72 °F - 68 °F 88% SSW  at  0 mph 0.00 in / hr 296 ft 8:01 AM EDT MADIS
Bethesda, Bethesda, MD 74.3 °F 73 °F 71 °F 89% North  at  0.0 mph 0.00 in / hr 236 ft 8:31 AM EDT Rapid Fire  
Brookdale, Bethesda, MD 76.0 °F 77 °F 69 °F 78% SW  at  0.0 mph 0.00 in / hr 262 ft 8:31 AM EDT Rapid Fire  
Great Falls VA, Great Falls, VA 73.0 °F 73 °F 68 °F 83% SW  at  2.0 mph 0.00 in / hr 380 ft 8:30 AM EDT Normal
APRSWXNET Great Falls VA , Great Falls, VA 69 °F - 66 °F 91% SW  at  0 mph 0.00 in / hr 380 ft 7:26 AM EDT MADIS
North Germantown, Germantown, MD 68.7 °F - 64 °F 83% NNE  at  1.2 mph 0.00 in / hr 439 ft 8:31 AM EDT Normal
Hickory Creek, Great Falls, VA 69.8 °F - 68 °F 95% SSE  at  0.0 mph 0.00 in / hr 350 ft 8:31 AM EDT Rapid Fire
Triadelphia Reservoir, Brookeville, MD 70.9 °F - 68 °F 91% WSW  at  0.0 mph 0.00 in / hr 100 ft 8:01 AM EDT Normal
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Air Quality Alert
Mobile & Email Alerts Statement as of 4:25 PM EDT on May 26, 2012

... Air quality alert is in effect for Sunday may 27 2012...

The metropolitan Washington Council of governments in association
with Maryland department of the environment, Virginia department
of environmental quality, and district department of environment
has issued a code Orange air quality alert Sunday for
the DC Metro area.

A code Orange air quality alert means that air pollution
concentrations within the region may become unhealthy for sensitive
groups. Sensitive groups include children... people suffering from
asthma... heart disease or other lung diseases... and the elderly.
The effects of air pollution can be minimized by avoiding strenuous
activity or exercise outdoors.

For more information on ground-level ozone and fine
particles... visit www.Cleanairpartners.Net.