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

32°F

0°C

Humidity 71%
Wind Speed S 8 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 9 Dec 8:55 pm EST
Extended Forecast for

Lorton VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly before 2pm. Mostly cloudy, with a high near 45. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. West wind 5 to 7 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow, mainly after 1pm. Partly sunny, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 28. South wind around 10 mph, with gusts as high as 21 mph.
Wednesday
A chance of rain, mainly before 2pm. Mostly cloudy, with a high near 45. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 41. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 26. West wind 5 to 7 mph.
Friday
A chance of snow, mainly after 1pm. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 45.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Mostly clear, with a low around 18.
Monday
Sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 38.
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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:
6:53 pm EST Dec 9, 2025
Forecast Valid:
9pm EST Dec 9, 2025-6pm EST Dec 16, 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