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.

Overcast

47°F

8°C

Humidity 83%
Wind Speed Calm
Barometer 30.12 in (1020.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 9 Jan 12:55 pm EST
Extended Forecast for

Annandale VA

  • This Afternoon

    This Afternoon: Rain, mainly after 3pm. High near 55. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain

  • Tonight

    Tonight: Rain before 8pm, then a chance of rain after 3am. Low around 44. Southwest wind 5 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Rain, mainly before 4pm. High near 49. Northeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 39. Light and variable wind becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely

  • Sunday

    Sunday: A slight chance of rain and snow showers between 1pm and 3pm, then a slight chance of snow showers after 3pm. Mostly sunny, with a high near 45. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

This Afternoon
Rain, mainly after 3pm. High near 55. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain before 8pm, then a chance of rain after 3am. Low around 44. Southwest wind 5 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain, mainly before 4pm. High near 49. Northeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 39. Light and variable wind becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain and snow showers between 1pm and 3pm, then a slight chance of snow showers after 3pm. Mostly sunny, with a high near 45. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
A chance of rain. Partly sunny, with a high near 39. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.23°W (Elev. 279 ft)
Last Update:
12:53 pm EST Jan 9, 2026
Forecast Valid:
1pm EST Jan 9, 2026-6pm EST Jan 15, 2026
 
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Additional Resources

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Chance of Precipitation