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

64°F

18°C

Humidity 54%
Wind Speed Calm
Barometer 29.95 in (1014.5 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 10 Mar 9:55 pm EDT
Extended Forecast for

Annandale VA

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South wind around 7 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. South wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers after 2am. Low around 45. South wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers, mainly before 2pm. High near 53. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. South wind around 7 mph.
Wednesday
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. South wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms, then showers after 2am. Low around 45. South wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, mainly before 2pm. High near 53. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Mostly clear, with a low around 33. Northwest wind 5 to 9 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Mostly cloudy, with a high near 67.
Sunday Night
Showers. Low around 52. Chance of precipitation is 80%.
Monday
Showers. High near 62. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow showers. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.82°N 77.21°W (Elev. 331 ft)
Last Update:
10:01 pm EDT Mar 10, 2026
Forecast Valid:
10pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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