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.

Partly Cloudy

39°F

4°C

Humidity 70%
Wind Speed Calm
Barometer 30.34 in (1027.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 25 Mar 5:55 am EDT
Extended Forecast for

Franconia VA

  • Today

    Today: Partly sunny, with a high near 59. South wind 5 to 9 mph.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. South wind around 8 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 75. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely after 2am. Increasing clouds, with a low around 55. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain likely. Cloudy, with a high near 63. West wind around 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    High: 63 °F

    Rain Likely

  • Friday Night

    Friday Night: A slight chance of rain before 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 59. South wind 5 to 9 mph.
Tonight
Mostly cloudy, with a low around 48. South wind around 8 mph.
Thursday
Partly sunny, with a high near 75. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Rain likely after 2am. Increasing clouds, with a low around 55. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely. Cloudy, with a high near 63. West wind around 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Friday Night
A slight chance of rain before 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 42.
Monday
Partly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
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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:
4:53 am EDT Mar 25, 2026
Forecast Valid:
6am EDT Mar 25, 2026-6pm EDT Mar 31, 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