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

29°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer 30.10 in (1019.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 8 Dec 2:55 am EST
Extended Forecast for

Lorton VA

  • Overnight

    Overnight: Cloudy, with a low around 29. North wind 7 to 9 mph.

    Low: 29 °F

    Cloudy

  • Monday

    Monday: A chance of snow after 7am. Cloudy, with a high near 33. Northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 18. North wind 3 to 6 mph.

    Low: 18 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. South wind around 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.

    High: 49 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 29. North wind 7 to 9 mph.
Monday
A chance of snow after 7am. Cloudy, with a high near 33. Northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 18. North wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 37. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 30. South wind around 10 mph.
Wednesday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 42.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 32.
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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 8, 2025
Forecast Valid:
3am EST Dec 8, 2025-6pm EST Dec 14, 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