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.

Light Rain

71°F

22°C

Humidity 28%
Wind Speed S 6 mph
Barometer 29.77 in (1008.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Mar 5:55 pm EDT
Extended Forecast for

Franconia VA

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then scattered showers. Low around 51. Southwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 67. North wind around 7 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. East wind around 5 mph becoming south after midnight.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. Southwest wind 6 to 9 mph.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Scattered showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 55. South wind around 9 mph. Chance of precipitation is 50%.

    Low: 55 °F

    Scattered
    Showers

  • Monday

    Monday: Isolated showers before 2pm. Partly sunny, with a high near 62. Chance of precipitation is 20%.

    High: 62 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 2am, then scattered showers. Low around 51. Southwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 67. North wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 48. East wind around 5 mph becoming south after midnight.
Sunday
Partly sunny, with a high near 80. Southwest wind 6 to 9 mph.
Sunday Night
Scattered showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 55. South wind around 9 mph. Chance of precipitation is 50%.
Monday
Isolated showers before 2pm. Partly sunny, with a high near 62. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 61. Chance of precipitation is 40%.
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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:
5:03 pm EDT Mar 20, 2026
Forecast Valid:
6pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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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