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

31°F

-1°C

Humidity 30%
Wind Speed Calm
Barometer 30.28 in (1025.7 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 8 Dec 6:55 pm EST
Extended Forecast for

Annandale VA

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 19. Northeast wind around 6 mph becoming calm after midnight.

    Low: 19 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 35. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight 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 20%.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
Cloudy during the early evening, then gradual clearing, with a low around 19. Northeast wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 35. Calm wind becoming south 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 29. South wind around 9 mph, with gusts as high as 18 mph.
Wednesday
A slight 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 20%.
Wednesday Night
Partly cloudy, with a low around 33. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 40.
Friday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 19.
Monday
Mostly sunny, with a high near 35.
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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:
7:02 pm EST Dec 8, 2025
Forecast Valid:
7pm EST Dec 8, 2025-6pm EST Dec 15, 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