Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

73°F

23°C

Humidity 89%
Wind Speed E 3 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 22 Aug 9:55 am EDT
Extended Forecast for

Annandale VA

  • Today

    Today: Scattered showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 78. East wind around 7 mph.  Chance of precipitation is 50%.

    High: 78 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers.  Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Northwest wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. West wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. East wind around 7 mph. Chance of precipitation is 50%.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 63. Northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 81. West wind 5 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.21°W (Elev. 299 ft)
10:53 am EDT Aug 22, 2026
11am EDT Aug 22, 2026-6pm EDT Aug 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database