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

54°F

12°C

Humidity 36%
Wind Speed Calm
Barometer 29.81 in (1009.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 14 Mar 1:55 am EDT
Extended Forecast for

Annandale VA

  • Overnight

    Overnight: Mostly clear, with a low around 44. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. West wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Calm wind becoming east around 5 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 59. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers. Low around 53. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 72. Breezy. Chance of precipitation is 100%.

    High: 72 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers, mainly before 2am. Low around 30. Chance of precipitation is 80%.

    Low: 30 °F

    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 57. West wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 40. Calm wind becoming east around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 59. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Showers. Low around 53. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 72. Breezy. Chance of precipitation is 100%.
Monday Night
Showers, mainly before 2am. Low around 30. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 60.
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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:
1:53 am EDT Mar 14, 2026
Forecast Valid:
2am EDT Mar 14, 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