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.

Mostly Cloudy

17°F

-8°C

Humidity 74%
Wind Speed Calm
Barometer 30.28 in (1025.8 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 9 Dec 6:55 am EST
Extended Forecast for

Franconia VA

  • Today

    Today: Mostly sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. South wind 8 to 10 mph.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 1pm. Mostly cloudy, with a high near 47. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 29. South wind 8 to 10 mph.
Wednesday
A chance of rain after 1pm. Mostly cloudy, with a high near 47. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 33. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 41. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 39.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 43.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 18.
Monday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.79°N 77.16°W (Elev. 200 ft)
Last Update:
6:53 am EST Dec 9, 2025
Forecast Valid:
7am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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