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

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

36°F

2°C

Humidity 67%
Wind Speed Calm
Barometer 30.08 in (1018.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 3 Dec 4:52 pm EST
Extended Forecast for

2 Miles WSW Great Falls VA

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 41. Northwest wind 5 to 14 mph, with gusts as high as 26 mph.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow. Cloudy, with a high near 34. Southeast wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow, mixing with freezing rain after 10pm, then gradually ending. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. Light and variable wind.
Thursday
Partly sunny, with a high near 41. Northwest wind 5 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 21. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Friday
A chance of snow. Cloudy, with a high near 34. Southeast wind 3 to 6 mph. Chance of precipitation is 50%.
Friday Night
A chance of snow, mixing with freezing rain after 10pm, then gradually ending. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Great Falls VA
 39.01°N 77.32°W (Elev. 348 ft)
Last Update:
3:53 pm EST Dec 3, 2025
Forecast Valid:
5pm EST Dec 3, 2025-6pm EST Dec 10, 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