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.

Fair

39°F

4°C

Humidity 49%
Wind Speed Calm
Barometer 30.28 in (1025.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 1 Dec 4:55 pm EST
Extended Forecast for

Annandale VA

  • Tonight

    Tonight: A slight chance of snow and sleet before 4am, then rain likely, possibly mixed with sleet. Mostly cloudy, with a low around 31. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.

    Low: 31 °F

    Mostly Cloudy
    then Wintry
    Mix Likely

  • Tuesday

    Tuesday: Rain, possibly mixed with sleet before 2pm, then a chance of rain between 2pm and 4pm. High near 40. Light and variable wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 100%. Little or no sleet accumulation expected.

    High: 40 °F

    Rain/Sleet
    then Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. Northwest wind 10 to 13 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 41. Northwest wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27. Light south wind.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of snow and sleet before 4am, then rain likely, possibly mixed with sleet. Mostly cloudy, with a low around 31. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.
Tuesday
Rain, possibly mixed with sleet before 2pm, then a chance of rain between 2pm and 4pm. High near 40. Light and variable wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 100%. Little or no sleet accumulation expected.
Tuesday Night
Mostly clear, with a low around 28. Northwest wind 10 to 13 mph.
Wednesday
Sunny, with a high near 41. Northwest wind 5 to 8 mph becoming light and variable in the afternoon.
Wednesday Night
Mostly clear, with a low around 27. Light south wind.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly cloudy, with a high near 35.
Friday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.82°N 77.24°W (Elev. 292 ft)
Last Update:
3:52 pm EST Dec 1, 2025
Forecast Valid:
5pm EST Dec 1, 2025-6pm EST Dec 8, 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