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

56°F

13°C

Humidity 34%
Wind Speed S 12 G 25 mph
Barometer 29.74 in (1007.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 13 Mar 5:55 pm EDT
Extended Forecast for

Mount Vernon VA

Wind Advisory March 13, 06:02pm until March 13, 07:00pm
Click here for hazard details and duration
...
  •  
    Wind Advisory March 13, 06:02pm until March 13, 07:00pm

    NOW until 7:00pm Fri

    Wind Advisory

  • Tonight

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 58. West wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. North wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 60. Southeast wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 60 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain. Low around 53. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 53 °F

    Rain

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 71. Breezy. Chance of precipitation is 100%.

    High: 71 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Southwest wind 9 to 18 mph, with gusts as high as 46 mph.
Saturday
Mostly sunny, with a high near 58. West wind 7 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 40. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 60. Southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Rain. Low around 53. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 71. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 32. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
Last Update:
4:53 pm EDT Mar 13, 2026
Forecast Valid:
6pm EDT Mar 13, 2026-6pm EDT Mar 20, 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