Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Mostly Cloudy

77°F

25°C

Humidity 76%
Wind Speed E 5 mph
Barometer 29.86 in (1011.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Aug 6:55 pm EDT
Extended Forecast for

Annandale VA

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then scattered showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Heavy Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 84. West wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. West wind around 5 mph becoming calm  after midnight.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. West wind 3 to 8 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm  after midnight.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 2am.  Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then scattered showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 84. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 63. West wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 84. West wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A chance of showers, mainly before 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.21°W (Elev. 299 ft)
4:53 pm EDT Aug 22, 2026
7pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
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