Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Mostly Cloudy

42°F

6°C

Humidity 61%
Wind Speed S 3 mph
Barometer 30.34 in (1027.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 25 Mar 2:55 am EDT
Extended Forecast for

Mount Vernon VA

  • Overnight

    Overnight: Partly cloudy, with a low around 38. Light south wind.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. South wind 3 to 8 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. South wind around 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 75. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely after 2am.  Mostly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    Low: 56 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain likely.  Cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Rain Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 38. Light south wind.
Wednesday
Partly sunny, with a high near 60. South wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 48. South wind around 7 mph.
Thursday
Partly sunny, with a high near 75. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Rain likely after 2am. Mostly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
Rain likely. Cloudy, with a high near 65. Chance of precipitation is 70%.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 42.
Monday
Partly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.74°N 77.11°W (Elev. 49 ft)
2:24 am EDT Mar 25, 2026
3am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database