Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Fair

68°F

20°C

Humidity 78%
Wind Speed SW 3 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 Aug 2:51 am EDT
Extended Forecast for

New Castle DE

  • Overnight

    Overnight: Partly cloudy, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83. South wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 82. West wind 5 to 10 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Northwest wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 83. South wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 82. West wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 63. Northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
New Castle DE
 39.67°N 75.56°W (Elev. 3 ft)
4:11 pm EDT Aug 23, 2025
3am EDT Aug 24, 2025-6pm EDT Aug 30, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database