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

28°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer 30.07 in (1018.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 8 Dec 12:55 am EST
Extended Forecast for

Franconia VA

  • Overnight

    Overnight: Cloudy, with a low around 30. North wind 6 to 8 mph.

    Low: 30 °F

    Cloudy

  • Monday

    Monday: A chance of snow. Cloudy, with a high near 33. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 19. Northeast wind around 6 mph becoming calm after midnight.

    Low: 19 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. South wind 8 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.

    High: 49 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 30. North wind 6 to 8 mph.
Monday
A chance of snow. Cloudy, with a high near 33. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 19. Northeast wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 37. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 31. South wind 8 to 10 mph.
Wednesday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 42.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.77°N 77.13°W (Elev. 102 ft)
Last Update:
12:53 am EST Dec 8, 2025
Forecast Valid:
1am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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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