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

53°F

12°C

Humidity 54%
Wind Speed NW 6 mph
Barometer 29.95 in (1014.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 7 Jan 6:55 pm EST
Extended Forecast for

Franconia VA

  • Tonight

    Tonight: Mostly clear, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Southeast wind 3 to 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 1pm. Mostly cloudy, with a high near 60. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 60 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 55. South wind around 7 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Rain Likely

  • Saturday

    Saturday: Rain, with thunderstorms also possible after 1pm. High near 64. Chance of precipitation is 100%.

    High: 64 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Sunday

    Sunday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 54. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 40. Southeast wind 3 to 6 mph.
Friday
A chance of rain after 1pm. Mostly cloudy, with a high near 60. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 55. South wind around 7 mph. Chance of precipitation is 70%.
Saturday
Rain, with thunderstorms also possible after 1pm. High near 64. Chance of precipitation is 100%.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.
Sunday
Mostly cloudy, with a high near 51.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Franconia VA
 38.79°N 77.13°W (Elev. 249 ft)
Last Update:
6:53 pm EST Jan 7, 2026
Forecast Valid:
8pm EST Jan 7, 2026-6pm EST Jan 14, 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