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.

Fair

36°F

2°C

Humidity 56%
Wind Speed NW 6 mph
Barometer 30.31 in (1026.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 1 Dec 2:55 am EST
Extended Forecast for

Lorton VA

  • Overnight

    Overnight: Mostly clear, with a low around 30. Northwest wind around 10 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 44. Northwest wind 5 to 10 mph.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of sleet between 3am and 4am, then rain likely. Increasing clouds, with a low around 30. Light east wind. Chance of precipitation is 60%. Little or no sleet accumulation expected.

    Low: 30 °F

    Partly Cloudy
    then
    Rain/Sleet
    Likely

  • Tuesday

    Tuesday: Rain, mainly before 1pm. High near 41. Light and variable wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 41 °F

    Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. Northwest wind around 10 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Northwest wind around 10 mph.
Monday
Sunny, with a high near 44. Northwest wind 5 to 10 mph.
Monday Night
A slight chance of sleet between 3am and 4am, then rain likely. Increasing clouds, with a low around 30. Light east wind. Chance of precipitation is 60%. Little or no sleet accumulation expected.
Tuesday
Rain, mainly before 1pm. High near 41. Light and variable wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Mostly clear, with a low around 28. Northwest wind around 10 mph.
Wednesday
Sunny, with a high near 42.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 21.
Friday
A chance of snow after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Friday Night
Rain, snow, and freezing rain likely. Cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Sunday
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:
12:52 am EST Dec 1, 2025
Forecast Valid:
3am EST Dec 1, 2025-6pm EST Dec 7, 2025
 
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Additional Resources

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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