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

68°F

20°C

Humidity 57%
Wind Speed N 6 mph
Barometer 29.58 in (1001.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Mar 2:55 am EDT
Extended Forecast for

Annandale VA

  • Overnight

    Overnight: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 54. North wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers

  • Monday

    Monday: Showers, mainly before 11am. High near 60. Northwest wind 8 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Showers then
    Isolated
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. Northwest wind 11 to 16 mph, with gusts as high as 29 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Calm wind becoming south around 6 mph after midnight.

    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 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 54. North wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, mainly before 11am. High near 60. Northwest wind 8 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 31. Northwest wind 11 to 16 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 51. North wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. Calm wind becoming south around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly cloudy, with a high near 71.
Thursday Night
A chance of rain after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Friday
Rain likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow. Partly cloudy, with a low around 32. 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 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.23°W (Elev. 279 ft)
Last Update:
2:23 am EDT Mar 23, 2026
Forecast Valid:
3am EDT Mar 23, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation