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.

Overcast

42°F

6°C

Humidity 68%
Wind Speed SW 13 mph
Barometer 29.49 in (998.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Dec 6:52 pm EST
Extended Forecast for

2 Miles WSW Great Falls VA

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 28 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. Northwest wind 14 to 16 mph, with gusts as high as 31 mph.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 25. West wind 5 to 9 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of snow. Mostly cloudy, with a high near 36. West wind around 6 mph. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. Southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 28 mph.
Thursday
Mostly sunny, with a high near 36. Northwest wind 14 to 16 mph, with gusts as high as 31 mph.
Thursday Night
Increasing clouds, with a low around 25. West wind 5 to 9 mph.
Friday
A slight chance of snow. Mostly cloudy, with a high near 36. West wind around 6 mph. Chance of precipitation is 20%.
Friday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 42.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Mostly clear, with a low around 19.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 42.
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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:
6:53 pm EST Dec 10, 2025
Forecast Valid:
7pm EST Dec 10, 2025-6pm EST Dec 17, 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