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.

Overcast

40°F

4°C

Humidity 79%
Wind Speed W 8 mph
Barometer 29.82 in (1010.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 Dec 7:55 pm EST
Extended Forecast for

Fairfax Station VA

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. Northwest wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 43. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow, mainly after 1pm. Partly sunny, with a high near 35. Chance of precipitation is 40%.

    High: 35 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °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 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 42. Northwest wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 25. Calm wind.
Thursday
Partly sunny, with a high near 43. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 20. Northwest wind 5 to 9 mph becoming calm after midnight.
Friday
A chance of snow, mainly after 1pm. Partly sunny, with a high near 35. Chance of precipitation is 40%.
Friday Night
A chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax Station VA
 38.81°N 77.35°W (Elev. 302 ft)
Last Update:
6:53 pm EST Dec 2, 2025
Forecast Valid:
8pm EST Dec 2, 2025-6pm EST Dec 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation