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

Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

71°F

22°C

Humidity 95%
Wind Speed Calm
Barometer 30.11 in (1019.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 7 Aug 5:55 am EDT
Extended Forecast for

Accokeek MD

  • Today

    Today: A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 91. West wind 3 to 5 mph.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 91. West wind 3 to 5 mph.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.67°N 77.03°W (Elev. 148 ft)
Last Update:
4:53 am EDT Aug 7, 2026
Forecast Valid:
6am EDT Aug 7, 2026-6pm EDT Aug 13, 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