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

Heavy to Excessive Rainfall for the Southwest; Thunderstorms in Florida with Flooding Possible

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

49°F

9°C

Humidity 77%
Wind Speed NW 5 mph
Barometer 30.39 in (1029.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 9 Oct 7:55 am EDT
Extended Forecast for

Accokeek MD

  • Today

    Today: Sunny, with a high near 64. Northeast wind 5 to 10 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Northeast wind 3 to 5 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. East wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly cloudy, with a high near 69. East wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: Showers likely, mainly before 8am. Partly sunny, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 64. Northeast wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 42. Northeast wind 3 to 5 mph.
Friday
Sunny, with a high near 66. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 51. East wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 69. East wind 5 to 9 mph. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Columbus Day
Showers likely, mainly before 8am. Partly sunny, with a high near 63. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 70.
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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:
7:33 am EDT Oct 9, 2025
Forecast Valid:
8am EDT Oct 9, 2025-6pm EDT Oct 15, 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