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

38°F

3°C

Humidity 37%
Wind Speed NW 16 G 32 mph
Barometer 29.49 in (998.9 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 15 Jan 4:55 am EST
Extended Forecast for

Mount Vernon VA

  • Today

    Today: Increasing clouds, with a high near 35. West wind 10 to 17 mph, with gusts as high as 29 mph.

    High: 35 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 22. West wind 6 to 13 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 39. Southwest wind 6 to 10 mph.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 33. South wind 6 to 8 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of snow before 10am, then a chance of rain between 10am and 1pm. Mostly cloudy, with a high near 48. Southwest wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow between 7am and 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 36.

    High: 36 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 35. West wind 10 to 17 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 22. West wind 6 to 13 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 39. Southwest wind 6 to 10 mph.
Friday Night
Increasing clouds, with a low around 33. South wind 6 to 8 mph.
Saturday
A chance of snow before 10am, then a chance of rain between 10am and 1pm. Mostly cloudy, with a high near 48. Southwest wind 6 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Sunday
A chance of snow between 7am and 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 18.
M.L.King Day
Sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
Last Update:
3:53 am EST Jan 15, 2026
Forecast Valid:
5am EST Jan 15, 2026-6pm EST Jan 21, 2026
 
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Additional Resources

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Chance of Precipitation