Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Partly Cloudy

51°F

11°C

Humidity 38%
Wind Speed S 5 mph
Barometer 29.66 in (1004.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 14 Jan 8:55 am EST
Extended Forecast for

Mount Vernon VA

  • Today

    Today: Mostly cloudy, with a high near 54. South wind 6 to 9 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain likely, mainly between 1am and 4am.  Cloudy, with a low around 27. South wind 8 to 18 mph becoming northwest after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Rain Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 33. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. West wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 37. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain and snow before 1pm.  Partly sunny, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 54. South wind 6 to 9 mph.
Tonight
Rain likely, mainly between 1am and 4am. Cloudy, with a low around 27. South wind 8 to 18 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 33. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 21. West wind 8 to 13 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 37. South wind 6 to 13 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 30.
Saturday
A chance of rain and snow before 1pm. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 21.
M.L.King Day
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
6:53 am EST Jan 14, 2026
9am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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