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

Briefing for Late June Heat Wave

An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Wilmington, New Castle County Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Fair

77°F

25°C

Humidity 64%
Wind Speed SW 8 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 10:51 pm EDT
Extended Forecast for

Bellefonte DE

Extreme Heat Watch June 22, 08:00am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. West wind around 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Heat index values as high as 100. West wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 72. Southwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 95. Heat index values as high as 100. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Basemap Options
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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:
4:11 pm EDT Jun 20, 2025
Forecast Valid:
11pm EDT Jun 20, 2025-6pm EDT Jun 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