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

Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

69°F

21°C

Humidity 47%
Wind Speed SE 6 mph
Barometer 30.00 in (1016.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Oct 12:55 pm EDT
Extended Forecast for

Accokeek MDSimilar City Names

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. South wind around 6 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind around 6 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74. South wind 8 to 18 mph, with gusts as high as 30 mph.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 54. South wind around 15 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers

  • Monday

    Monday: Showers likely before 8am. Mostly sunny, with a high near 63. West wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 70. South wind around 6 mph.
Tonight
Mostly clear, with a low around 58. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 74. South wind 8 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 54. South wind around 15 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely before 8am. Mostly sunny, with a high near 63. West wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
Clear, with a low around 47.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MDSimilar City Names
 38.68°N 77°W (Elev. 62 ft)
Last Update:
1:29 pm EDT Oct 18, 2025
Forecast Valid:
1pm EDT Oct 18, 2025-6pm EDT Oct 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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