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

42°F

6°C

Humidity 92%
Wind Speed Calm
Barometer 30.39 in (1029.4 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 31 Oct 5:55 am EDT
Extended Forecast for

Annandale VASimilar City Names

  • Today

    Today: Mostly sunny, with a high near 63. North wind 3 to 6 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 65. Calm wind.

    High: 65 °F

    Mostly Cloudy

  • Sunday Night

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

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66. Light south wind.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 20%.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 63. North wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 46. Calm wind.
Sunday
Mostly cloudy, with a high near 65. Calm wind.
Sunday Night
Partly cloudy, with a low around 45. Calm wind.
Monday
Partly sunny, with a high near 66. Light south wind.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A slight chance of showers after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 20%.
Wednesday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Friday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
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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:
4:52 am EDT Oct 31, 2026
Forecast Valid:
6am EDT Oct 31, 2026-6pm EST Nov 6, 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