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Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1015.8 mb)
Dewpoint 74°F (23°C)
Visibility 8.00 mi
Last update 30 Jul 6:55 am EDT
Extended Forecast for

Annandale VASimilar City Names

Heat Advisory July 30, 11:00am until July 30, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming south around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South wind around 5 mph becoming calm  in the evening.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm.  Increasing clouds, with a high near 94. Heat index values as high as 103. Calm wind becoming south around 6 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 94 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 72. Northeast wind around 6 mph.  Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    T-storms
    Likely then
    Showers
    Likely

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 79. North wind 7 to 10 mph.  Chance of precipitation is 60%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Increasing clouds, with a high near 94. Heat index values as high as 103. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Northeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. North wind 7 to 10 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale VASimilar City Names
 38.84°N 77.21°W (Elev. 299 ft)
7:29 am EDT Jul 30, 2025
7am EDT Jul 30, 2025-6pm EDT Aug 5, 2025
 
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Additional Resources

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