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.

Light Rain Fog/Mist

37°F

3°C

Humidity 95%
Wind Speed Calm
Barometer 29.88 in (1012.2 mb)
Dewpoint 35°F (2°C)
Visibility 4.00 mi
Last update 2 Dec 8:55 am EST
Extended Forecast for

Annandale VA

  • Today

    Today: Rain, mainly before 2pm. Patchy fog before 4pm. High near 40. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 41. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Light south wind.

    Low: 26 °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 21.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly before 2pm. Patchy fog before 4pm. High near 40. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Mostly clear, with a low around 27. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 41. Northwest wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 26. Light south 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 21.
Friday
Partly sunny, with a high near 35.
Friday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 36.
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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:
9:29 am EST Dec 2, 2025
Forecast Valid:
9am EST Dec 2, 2025-6pm EST Dec 8, 2025
 
Forecast Discussion
 
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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