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

Briefing for Impacts from Hurricane Erin through Friday

Hurricane Erin is expected to bring several coastal and marine hazards to the coasts of New Jersey and Delaware through Friday. Widespread coastal flooding, high surf, high risk of rip currents, beach erosion, and dangerous marine conditions are forecast. View this briefing for details on these threats. Read More >

Hazardous Weather Conditions

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Overcast

67°F

19°C

Humidity 79%
Wind Speed NE 17 G 24 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 21 Aug 1:51 pm EDT
Extended Forecast for

Bellefonte DE

Coastal Flood Advisory August 21, 09:00pm until August 23, 02:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 73. Northeast wind around 10 mph, with gusts as high as 30 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 60. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 82. North wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. Calm wind becoming south around 5 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 73. Northeast wind around 10 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 60. North wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 82. North wind 5 to 10 mph.
Friday Night
Clear, with a low around 61. Calm wind becoming south around 5 mph.
Saturday
Sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 66.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bellefonte DE
 39.77°N 75.51°W (Elev. 190 ft)
Last Update:
2:23 pm EDT Aug 21, 2025
Forecast Valid:
2pm EDT Aug 21, 2025-6pm EDT Aug 27, 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