National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Partly Cloudy

55°F

13°C

Humidity 39%
Wind Speed SE 7 mph
Barometer 30.33 in (1027.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 25 Mar 12:55 pm EDT
Extended Forecast for

3 Miles SE Mount Vernon VA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 60. South wind 6 to 9 mph.

    High: 60 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. South wind around 8 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 75. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 2am. Increasing clouds, with a low around 57. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain likely, mainly after 8am. Cloudy, with a high near 65. West wind around 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    High: 65 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

  • 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

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 60. South wind 6 to 9 mph.
Tonight
Mostly cloudy, with a low around 48. South wind around 8 mph.
Thursday
Partly sunny, with a high near 75. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A chance of rain after 2am. Increasing clouds, with a low around 57. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Friday
Rain likely, mainly after 8am. Cloudy, with a high near 65. West wind around 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
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 43.
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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Mount Vernon VA
 38.69°N 77.06°W (Elev. 144 ft)
Last Update:
10:56 am EDT Mar 25, 2026
Forecast Valid:
1pm EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation