Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

83°F

28°C

Humidity 25%
Wind Speed S 6 mph
Barometer 29.57 in (1001.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 22 Mar 6:55 pm EDT
Extended Forecast for

Mount Vernon VA

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am.  Increasing clouds, with a low around 53. South wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Isolated
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers, mainly before 8am.  High near 61. Northwest wind 8 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. North wind 3 to 7 mph.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. South wind 3 to 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 2am.  Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 53. South wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, mainly before 8am. High near 61. Northwest wind 8 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 34. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 52. North wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 38. South wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly cloudy, with a high near 68.
Thursday Night
A chance of rain after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.74°N 77.11°W (Elev. 49 ft)
6:35 pm EDT Mar 22, 2026
7pm EDT Mar 22, 2026-6pm EDT Mar 29, 2026
 
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Additional Resources

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