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Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Partly Cloudy

73°F

23°C

Humidity 92%
Wind Speed Calm
Barometer 29.92 in (1013.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 20 Aug 4:55 am EDT
Extended Forecast for

White Plains MD

  • Today

    Today: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 89. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Isolated
    T-storms then
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Patchy fog between 10pm and 2am. Otherwise, mostly cloudy, with a low around 66. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 82. North wind around 6 mph. Chance of precipitation is 30%.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 67. Light east wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. High near 83. Light and variable wind. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 89. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Patchy fog between 10pm and 2am. Otherwise, mostly cloudy, with a low around 66. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 82. North wind around 6 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 67. Light east wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers, with thunderstorms also possible after 11am. High near 83. Light and variable wind. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 83.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
White Plains MD
 38.59°N 76.99°W (Elev. 197 ft)
Last Update:
4:53 am EDT Aug 20, 2026
Forecast Valid:
6am EDT Aug 20, 2026-6pm EDT Aug 26, 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