National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

37°F

3°C

Humidity 94%
Wind Speed Calm
Barometer 30.12 in (1020.3 mb)
Dewpoint 35°F (2°C)
Visibility 9.00 mi
Last update 7 Dec 11:55 am EST
Extended Forecast for

Lorton VA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 41. South wind around 6 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Light and variable wind becoming north 8 to 13 mph after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 34. North wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. North wind 3 to 8 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 41. South wind around 6 mph.
Tonight
Mostly cloudy, with a low around 29. Light and variable wind becoming north 8 to 13 mph after midnight.
Monday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 34. North wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 17. North wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 37. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 47.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 40%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 33.
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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:
9:53 am EST Dec 7, 2025
Forecast Valid:
12pm EST Dec 7, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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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