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

52°F

11°C

Humidity 36%
Wind Speed SE 7 mph
Barometer 29.55 in (1001.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 14 Jan 12:55 pm EST
Extended Forecast for

Franconia VA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 53. South wind 7 to 9 mph.

    High: 53 °F

    Cloudy

  • Tonight

    Tonight: A chance of rain, mainly before 2am. Mostly cloudy, with a low around 28. South wind 8 to 18 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 50%.

    Low: 28 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 32. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22. West wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 37. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow showers before 1pm. Partly sunny, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow

  • Saturday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 53. South wind 7 to 9 mph.
Tonight
A chance of rain, mainly before 2am. Mostly cloudy, with a low around 28. South wind 8 to 18 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 32. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 22. West wind 8 to 14 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 37. South wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A chance of rain and snow showers before 1pm. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 19.
M.L.King Day
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.79°N 77.13°W (Elev. 249 ft)
Last Update:
12:53 pm EST Jan 14, 2026
Forecast Valid:
1pm EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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