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

Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

60°F

16°C

Humidity 89%
Wind Speed Calm
Barometer 29.91 in (1013.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 8 Oct 8:55 am EDT
Extended Forecast for

Annandale VA

  • Today

    Today: Sunny, with a high near 76. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 53. Calm wind.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 71. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 8am. Partly sunny, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 76. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 53. Calm wind.
Saturday
Partly sunny, with a high near 71. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Sunday
Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. Chance of precipitation is 80%.
Columbus Day
A chance of showers, mainly before 8am. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.82°N 77.21°W (Elev. 331 ft)
Last Update:
7:53 am EDT Oct 8, 2026
Forecast Valid:
9am EDT Oct 8, 2026-6pm EDT Oct 14, 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