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.

Mostly Cloudy

46°F

8°C

Humidity 62%
Wind Speed S 5 mph
Barometer 29.48 in (998.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 10 Dec 5:55 pm EST
Extended Forecast for

Lorton VA

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 26 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 38. Northwest wind 11 to 15 mph, with gusts as high as 29 mph.

    High: 38 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 26. West wind 5 to 8 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 38. West wind around 6 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 27. Light south wind. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 32. Southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 26 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 38. Northwest wind 11 to 15 mph, with gusts as high as 29 mph.
Thursday Night
Increasing clouds, with a low around 26. West wind 5 to 8 mph.
Friday
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 38. West wind around 6 mph. Chance of precipitation is 30%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 27. Light south wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lorton VA
 38.71°N 77.23°W (Elev. 125 ft)
Last Update:
3:53 pm EST Dec 10, 2025
Forecast Valid:
6pm EST Dec 10, 2025-6pm EST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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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