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

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Partly Cloudy

26°F

-3°C

Humidity 90%
Wind Speed Calm
Barometer 30.06 in (1018.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 4 Dec 6:55 am EST
Extended Forecast for

Fairfax Station VA

  • Today

    Today: Mostly cloudy, then becoming sunny during the afternoon, with a high near 43. Light northwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 23. Northwest wind 5 to 9 mph becoming light and variable after midnight.

    Low: 23 °F

    Increasing
    Clouds

  • Friday

    Friday: Snow likely, mainly after 7am. Cloudy, with a high near 32. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely

  • Friday Night

    Friday Night: A slight chance of snow, mixing with freezing rain after 10pm, then gradually ending. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Wintry Mix

  • Saturday

    Saturday: Partly sunny, with a high near 41. Light southwest wind.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Sunday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then becoming sunny during the afternoon, with a high near 43. Light northwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Increasing clouds, with a low around 23. Northwest wind 5 to 9 mph becoming light and variable after midnight.
Friday
Snow likely, mainly after 7am. Cloudy, with a high near 32. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A slight chance of snow, mixing with freezing rain after 10pm, then gradually ending. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 41. Light southwest wind.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax Station VA
 38.81°N 77.33°W (Elev. 387 ft)
Last Update:
6:53 am EST Dec 4, 2025
Forecast Valid:
7am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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