National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm and Storm Surge Warnings for the North Carolina Outer Banks; Heat Building in the West

Storm surge flooding and tropical storm conditions are expected in the Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Warnings are in effect. Tropical storm conditions are possible along the eastern shore of Virginia Thursday. Hurricane Erin will continue to produce life-threatening surf and rip currents along much of the east coast of the U.S. this week. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

70°F

21°C

Humidity 89%
Wind Speed Calm
Barometer 30.08 in (1018.8 mb)
Dewpoint 67°F (19°C)
Visibility 9.00 mi
Last update 19 Aug 9:55 pm EDT
Extended Forecast for

Annandale VA

  • Tonight

    Tonight: Patchy drizzle between 2am and 3am. Mostly cloudy, with a low around 69. East wind around 6 mph.

    Low: 69 °F

    Patchy
    Drizzle

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 85 °F

    Patchy
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 7pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Northeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 77. Northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 63. North wind 8 to 11 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy drizzle between 2am and 3am. Mostly cloudy, with a low around 69. East wind around 6 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms between 7pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Northeast wind around 8 mph. Chance of precipitation is 30%.
Thursday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 77. Northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 63. North wind 8 to 11 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.23°W (Elev. 279 ft)
Last Update:
10:29 pm EDT Aug 19, 2025
Forecast Valid:
10pm EDT Aug 19, 2025-6pm EDT Aug 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation