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.

Overcast

65°F

18°C

Humidity 74%
Wind Speed N 8 G 18 mph
Barometer 29.68 in (1005.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 23 Mar 4:55 am EDT
Extended Forecast for

Mount Vernon VA

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 62. North wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm before 11am, then isolated showers between 11am and 1pm. High near 62. Northwest wind 8 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers then
    Isolated
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. North wind around 6 mph becoming calm in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Light south wind.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 62. North wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm before 11am, then isolated showers between 11am and 1pm. High near 62. Northwest wind 8 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 34. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 52. North wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. Light south wind.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Partly sunny, with a high near 73.
Thursday Night
A chance of rain after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Friday
Rain likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow. Partly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
Last Update:
4:53 am EDT Mar 23, 2026
Forecast Valid:
5am EDT Mar 23, 2026-6pm EDT Mar 29, 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