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

32°F

0°C

Humidity 67%
Wind Speed E 6 mph
Barometer 30.27 in (1025.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 1 Dec 6:55 pm EST
Extended Forecast for

Lorton VA

  • Tonight

    Tonight: A slight chance of snow and sleet before 4am, then rain likely, possibly mixed with sleet. Mostly cloudy, with a low around 32. Light southeast wind. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.

    Low: 32 °F

    Mostly Cloudy
    then Wintry
    Mix Likely

  • Tuesday

    Tuesday: Rain, possibly mixed with sleet before 2pm, then a chance of rain between 2pm and 4pm. High near 40. Calm wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 100%. Little or no sleet accumulation expected.

    High: 40 °F

    Rain/Sleet
    then Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. Northwest wind 9 to 11 mph.

    Low: 29 °F

    Mostly Clear

  • 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 28. Calm wind becoming southwest around 5 mph.

    Low: 28 °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: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of snow and sleet before 4am, then rain likely, possibly mixed with sleet. Mostly cloudy, with a low around 32. Light southeast wind. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.
Tuesday
Rain, possibly mixed with sleet before 2pm, then a chance of rain between 2pm and 4pm. High near 40. Calm wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 100%. Little or no sleet accumulation expected.
Tuesday Night
Mostly clear, with a low around 29. Northwest wind 9 to 11 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 28. Calm wind becoming southwest around 5 mph.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly cloudy, with a high near 36.
Friday Night
A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 38.
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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:
6:53 pm EST Dec 1, 2025
Forecast Valid:
7pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

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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