Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

52°F

11°C

Humidity 80%
Wind Speed Calm
Barometer 30.43 in (1030.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 7:55 am EDT
Extended Forecast for

Mount Vernon VA

  • Today

    Today: Sunny, with a high near 73. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 59. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 86. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 64. West wind around 6 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Calm wind becoming southwest 5 to 9 mph in the morning.  Chance of precipitation is 20%.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 93.

    High: 93 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 59. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 86. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 64. West wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Mostly cloudy, with a low around 70.
Thursday
Partly sunny, with a high near 93.
Thursday Night
Mostly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
7:53 am EDT Apr 12, 2026
8am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database