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.

Mostly Cloudy

77°F

25°C

Humidity 84%
Wind Speed Calm
Barometer 30.05 in (1017.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Aug 11:55 pm EDT
Extended Forecast for

Hybla Valley VA

  • Overnight

    Overnight: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 87. Light and variable wind becoming northeast around 5 mph.

    High: 87 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A slight chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. Light southeast wind. Chance of precipitation is 30%.

    Low: 72 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 4pm. High near 85. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 73. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 70%.

    Low: 73 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 72. Calm wind.
Saturday
Increasing clouds, with a high near 87. Light and variable wind becoming northeast around 5 mph.
Saturday Night
A slight chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. Light southeast wind. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms, mainly before 4pm. High near 85. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 73. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 70%.
Monday
Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 90.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hybla Valley VA
 38.76°N 77.08°W (Elev. 157 ft)
Last Update:
12:33 am EDT Aug 15, 2026
Forecast Valid:
1am EDT Aug 15, 2026-6pm EDT Aug 21, 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