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.

Fair

26°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 30.07 in (1018.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 4 Dec 3:55 am EST
Extended Forecast for

Franconia VA

  • Today

    Today: Increasing clouds, with a high near 44. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 44 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 25. Northwest wind 5 to 9 mph becoming northeast after midnight.

    Low: 25 °F

    Increasing
    Clouds

  • Friday

    Friday: Snow likely, mainly after 7am. Cloudy, with a high near 33. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely

  • Friday Night

    Friday Night: A slight chance of snow before 10pm, then a slight chance of freezing rain between 10pm and 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance
    Freezing Rain

  • Saturday

    Saturday: Partly sunny, with a high near 42. Light southwest wind.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 44. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Increasing clouds, with a low around 25. Northwest wind 5 to 9 mph becoming northeast after midnight.
Friday
Snow likely, mainly after 7am. Cloudy, with a high near 33. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A slight chance of snow before 10pm, then a slight chance of freezing rain between 10pm and 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 42. Light southwest wind.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.77°N 77.16°W (Elev. 197 ft)
Last Update:
3:53 am EST Dec 4, 2025
Forecast Valid:
4am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
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Additional Resources

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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