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 95%
Wind Speed Calm
Barometer 30.02 in (1016.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 24 Dec 4:55 am EST
Extended Forecast for

Lorton VA

  • Today

    Today: Sunny, with a high near 53. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Calm wind becoming south around 6 mph after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Christmas Day

    Christmas Day: A chance of rain before 1pm. Partly sunny, with a high near 56. South wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. North wind around 7 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain and snow before 1pm, then rain likely, possibly mixed with sleet. Cloudy, with a high near 38. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.

    High: 38 °F

    Chance
    Rain/Snow
    then Wintry
    Mix Likely

  • Friday Night

    Friday Night: Rain, possibly mixed with sleet, becoming all rain after 7pm. Low around 32. Chance of precipitation is 80%. New sleet accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Sleet
    then Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain. Cloudy, with a high near 50. Chance of precipitation is 50%.

    High: 50 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 53. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Tonight
Increasing clouds, with a low around 35. Calm wind becoming south around 6 mph after midnight.
Christmas Day
A chance of rain before 1pm. Partly sunny, with a high near 56. South wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 30. North wind around 7 mph.
Friday
A chance of rain and snow before 1pm, then rain likely, possibly mixed with sleet. Cloudy, with a high near 38. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.
Friday Night
Rain, possibly mixed with sleet, becoming all rain after 7pm. Low around 32. Chance of precipitation is 80%. New sleet accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
A chance of rain. Cloudy, with a high near 50. Chance of precipitation is 50%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 33.
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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:
3:53 am EST Dec 24, 2025
Forecast Valid:
5am EST Dec 24, 2025-6pm EST Dec 30, 2025
 
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Additional Resources

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Chance of Precipitation