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.

Overcast

26°F

-3°C

Humidity 43%
Wind Speed Calm
Barometer 30.29 in (1026.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 9 Dec 9:55 am EST
Extended Forecast for

Annandale VA

  • Today

    Today: Mostly sunny, with a high near 35. Light southeast wind becoming south 5 to 9 mph in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. South wind around 9 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 1pm. Mostly cloudy, with a high near 46. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 35. Light southeast wind becoming south 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 29. South wind around 9 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain after 1pm. Mostly cloudy, with a high near 46. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 32. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 40. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 39.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 29. 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 28. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 17.
Monday
Mostly sunny, with a high near 31.
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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 9, 2025
Forecast Valid:
10am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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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