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.

A Few Clouds

41°F

5°C

Humidity 67%
Wind Speed S 7 G 18 mph
Barometer 29.55 in (1001.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 10 Dec 11:55 am EST
Extended Forecast for

Lorton VA

  • This Afternoon

    This Afternoon: A chance of rain, mainly before 3pm. Cloudy, with a high near 47. South wind 10 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

    High: 47 °F

    Chance Rain

  • 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 25 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. 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

Detailed Forecast

This Afternoon
A chance of rain, mainly before 3pm. Cloudy, with a high near 47. South wind 10 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Tonight
Partly cloudy, with a low around 32. Southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 25 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. 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.
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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:
12:53 pm EST Dec 10, 2025
Forecast Valid:
12pm EST Dec 10, 2025-6pm EST Dec 16, 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