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

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Fair

59°F

15°C

Humidity 29%
Wind Speed NW 13 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 2 May 6:51 pm EDT
Extended Forecast for

New Castle DE

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind around 5 mph.

    Low: 41 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Southwest wind around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. Southwest wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. South wind around 10 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Breezy.

    Low: 64 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of showers after 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 61. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 47. Southwest wind around 5 mph.
Monday
Sunny, with a high near 72. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 57. South wind around 10 mph.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 64. Breezy.
Wednesday
A chance of showers after 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Thursday
Showers. High near 68. Chance of precipitation is 80%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 48.
Saturday
A chance of showers. Mostly sunny, with a high near 65. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle DE
 39.67°N 75.56°W (Elev. 3 ft)
Last Update:
6:47 pm EDT May 2, 2026
Forecast Valid:
7pm EDT May 2, 2026-6pm EDT May 9, 2026
 
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