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

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

59°F

15°C

Humidity 92%
Wind Speed Calm
Barometer 29.90 in (1012.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Apr 6:55 am EDT
Extended Forecast for

Mount Vernon VA

  • Today

    Today: Mostly sunny, with a high near 94. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers after 11pm. Increasing clouds, with a low around 69. Southwest wind around 8 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    Showers

  • Friday

    Friday: Partly sunny, with a high near 84. Northwest wind 6 to 10 mph.

    High: 84 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 42. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 94. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Isolated showers after 11pm. Increasing clouds, with a low around 69. Southwest wind around 8 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 84. Northwest wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92. Light and variable wind becoming south 5 to 10 mph in the morning.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.74°N 77.11°W (Elev. 49 ft)
Last Update:
4:54 am EDT Apr 16, 2026
Forecast Valid:
7am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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