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

41°F

5°C

Humidity 44%
Wind Speed NW 6 mph
Barometer 30.40 in (1029.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 1 Dec 9:55 am EST
Extended Forecast for

Lorton VA

  • Today

    Today: Sunny, with a high near 44. North wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: 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%. New sleet accumulation of less than a half inch possible.

    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 cloudy, then gradually becoming mostly clear, with a low around 28. Northwest wind around 10 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 42. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.

    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

  • Friday

    Friday: A chance of snow after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 44. North wind 5 to 13 mph, with gusts as high as 20 mph.
Tonight
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%. New sleet accumulation of less than a half inch possible.
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 cloudy, then gradually becoming mostly clear, with a low around 28. Northwest wind around 10 mph.
Wednesday
Sunny, with a high near 42. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.
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
A chance of rain, snow, and freezing rain before 1am, then rain or 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
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ABOUT THIS FORECAST

 
Point Forecast:
Lorton VA
 38.71°N 77.23°W (Elev. 125 ft)
Last Update:
9:53 am EST Dec 1, 2025
Forecast Valid:
10am EST Dec 1, 2025-6pm EST Dec 7, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation