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

57°F

14°C

Humidity 59%
Wind Speed Calm
Barometer 30.37 in (1028.7 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 9 Oct 6:55 pm EDT
Extended Forecast for

2 Miles S Accokeek MD

  • Tonight

    Tonight: Mostly clear, with a low around 40. Northeast wind around 7 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 65. Northeast wind 6 to 9 mph becoming southeast in the afternoon.

    High: 65 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. East wind around 6 mph.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 69. Northeast wind 7 to 10 mph. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 59. Northeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: Showers. High near 63. Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Northeast wind around 7 mph.
Friday
Increasing clouds, with a high near 65. Northeast wind 6 to 9 mph becoming southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 51. East wind around 6 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 69. Northeast wind 7 to 10 mph. Chance of precipitation is 50%.
Saturday Night
Showers. Low around 59. Northeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Sunday
Showers. High near 63. Chance of precipitation is 80%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Accokeek MD
 38.64°N 77.01°W (Elev. 154 ft)
Last Update:
4:29 pm EDT Oct 9, 2025
Forecast Valid:
7pm EDT Oct 9, 2025-6pm EDT Oct 16, 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