National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Partly Cloudy

65°F

18°C

Humidity 61%
Wind Speed Calm
Barometer 30.02 in (1016.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 29 Aug 6:52 am EDT
Extended Forecast for

McLean VA

  • Today

    Today: Mostly sunny, with a high near 80. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. North wind 6 to 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. North wind around 6 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Light northeast wind.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Northeast wind 3 to 5 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Partly cloudy, with a low around 55. North wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 77. North wind around 6 mph.
Saturday Night
Mostly clear, with a low around 56. Light northeast wind.
Sunday
Mostly sunny, with a high near 79. Northeast wind 3 to 5 mph.
Sunday Night
Mostly clear, with a low around 58.
Labor Day
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
McLean VA
 38.93°N 77.19°W (Elev. 299 ft)
Last Update:
7:29 am EDT Aug 29, 2025
Forecast Valid:
7am EDT Aug 29, 2025-6pm EDT Sep 4, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation