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.

Fair

51°F

11°C

Humidity 39%
Wind Speed S 8 mph
Barometer 29.78 in (1008.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 13 Jan 7:55 pm EST
Extended Forecast for

3 Miles SE Mount Vernon VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53. Southwest wind 5 to 7 mph.

    High: 53 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 26. Light and variable wind becoming northwest 9 to 14 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 26 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 33. Northwest wind 13 to 17 mph, with gusts as high as 34 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 53. Southwest wind 5 to 7 mph.
Wednesday Night
Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 26. Light and variable wind becoming northwest 9 to 14 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 33. Northwest wind 13 to 17 mph, with gusts as high as 34 mph.
Thursday Night
Mostly clear, with a low around 20. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 19.
M.L.King Day
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Sunny, with a high near 31.
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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:
8:28 pm EST Jan 13, 2026
Forecast Valid:
8pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation