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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

45°F

7°C

Humidity 87%
Wind Speed Calm
Barometer 29.97 in (1015.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 22 Nov 6:55 pm EST
Extended Forecast for

Accokeek MD

  • Tonight

    Tonight: Partly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Northwest wind 6 to 8 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Calm wind becoming south around 5 mph after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.

    High: 58 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain before 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.

    High: 67 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 59. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 37. Northwest wind 6 to 8 mph.
Monday
Sunny, with a high near 56. Northwest wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 38. Calm wind becoming south around 5 mph after midnight.
Tuesday
A chance of rain after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Wednesday
A chance of rain before 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 39.
Thanksgiving Day
Sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.66°N 77.01°W (Elev. 167 ft)
Last Update:
6:53 pm EST Nov 22, 2025
Forecast Valid:
7pm EST Nov 22, 2025-6pm EST Nov 29, 2025
 
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