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

44°F

7°C

Humidity 61%
Wind Speed NW 17 G 30 mph
Barometer 29.56 in (1001.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 11 Dec 1:55 am EST
Extended Forecast for

Lorton VA

  • Overnight

    Overnight: Partly cloudy, with a low around 32. Northwest wind 11 to 13 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 40. Northwest wind 11 to 15 mph, with gusts as high as 29 mph.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 27. West wind 3 to 6 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of snow. Partly sunny, with a high near 39. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow likely after 1am. Cloudy, with a low around 26. Chance of precipitation is 70%.

    Low: 26 °F

    Cloudy then
    Snow Likely

  • Sunday

    Sunday: A chance of snow before 1pm. Partly sunny, with a high near 32. Chance of precipitation is 40%.

    High: 32 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. Northwest wind 11 to 13 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 40. Northwest wind 11 to 15 mph, with gusts as high as 29 mph.
Thursday Night
Increasing clouds, with a low around 27. West wind 3 to 6 mph.
Friday
A slight chance of snow. Partly sunny, with a high near 39. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 44.
Saturday Night
Snow likely after 1am. Cloudy, with a low around 26. Chance of precipitation is 70%.
Sunday
A chance of snow before 1pm. Partly sunny, with a high near 32. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 18.
Monday
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 24.
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:
12:53 am EST Dec 11, 2025
Forecast Valid:
2am EST Dec 11, 2025-6pm EST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation