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

Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Mostly Cloudy

73°F

23°C

Humidity 49%
Wind Speed N 3 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 23 Jul 2:55 am EDT
Extended Forecast for

Annandale VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. North wind around 8 mph.

    Low: 65 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. North wind 6 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 82. Calm wind becoming east 5 to 8 mph in the morning.

    High: 82 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. North wind around 8 mph.
Thursday
Mostly sunny, with a high near 80. North wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 63. Calm wind.
Friday
Increasing clouds, with a high near 82. Calm wind becoming east 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.84°N 77.18°W (Elev. 374 ft)
Last Update:
2:23 am EDT Jul 23, 2026
Forecast Valid:
3am EDT Jul 23, 2026-6pm EDT Jul 29, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation