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

63°F

17°C

Humidity 37%
Wind Speed W 5 mph
Barometer 30.41 in (1030.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 31 Oct 3:55 pm EDT
Extended Forecast for

Annandale VASimilar City Names

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 65. Light and variable wind.

    High: 65 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Light southeast wind.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Light south wind.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Calm wind.
Sunday
Mostly cloudy, with a high near 65. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 45. Light southeast wind.
Monday
Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46. Light south wind.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale VASimilar City Names
 38.84°N 77.21°W (Elev. 299 ft)
Last Update:
2:22 pm EDT Oct 31, 2026
Forecast Valid:
4pm EDT Oct 31, 2026-6pm EST Nov 7, 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