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

31°F

-1°C

Humidity 51%
Wind Speed NW 6 mph
Barometer 30.38 in (1029.1 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 29 Nov 12:55 am EST
Extended Forecast for

Lorton VA

  • Overnight

    Overnight: Clear, with a low around 27. Northwest wind around 6 mph.

    Low: 27 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 43. West wind around 6 mph becoming calm in the afternoon.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30. Calm wind becoming south around 6 mph after midnight.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 46. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: A chance of snow after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain, mainly after 7am. High near 41. Chance of precipitation is 90%.

    High: 41 °F

    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.

    Low: 30 °F

    Chance Rain

Detailed Forecast

Overnight
Clear, with a low around 27. Northwest wind around 6 mph.
Saturday
Sunny, with a high near 43. West wind around 6 mph becoming calm in the afternoon.
Saturday Night
Increasing clouds, with a low around 30. Calm wind becoming south around 6 mph after midnight.
Sunday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 46. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 31. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 44.
Monday Night
A chance of snow after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Tuesday
Rain, mainly after 7am. High near 41. Chance of precipitation is 90%.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 39.
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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 Nov 29, 2025
Forecast Valid:
1am EST Nov 29, 2025-6pm EST Dec 5, 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