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

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

A Few Clouds

41°F

5°C

Humidity 67%
Wind Speed S 7 G 18 mph
Barometer 29.55 in (1001.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 10 Dec 11:55 am EST
Extended Forecast for

Annandale VA

  • This Afternoon

    This Afternoon: A chance of rain, mainly between 1pm and 4pm. Mostly cloudy, with a high near 45. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 30. Southwest wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 37. West wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. West wind 5 to 8 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 37. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain, mainly between 1pm and 4pm. Mostly cloudy, with a high near 45. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 30. Southwest wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 37. West wind 11 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 25. West wind 5 to 8 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 37. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Friday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 41.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.82°N 77.21°W (Elev. 331 ft)
Last Update:
9:53 am EST Dec 10, 2025
Forecast Valid:
12pm EST Dec 10, 2025-6pm EST Dec 16, 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