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

87°F

31°C

Humidity 21%
Wind Speed NA
Barometer 29.93 in (1013.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 15 Apr 12:51 pm EDT
Extended Forecast for

New Castle DE

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Southwest wind 10 to 15 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southwest wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68. South wind around 5 mph becoming west after midnight.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 81. West wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly clear, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Southwest wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 67. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 68. South wind around 5 mph becoming west after midnight.
Friday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 81. West wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Mostly clear, with a low around 58. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle DE
 39.67°N 75.56°W (Elev. 3 ft)
Last Update:
4:09 am EDT Apr 15, 2026
Forecast Valid:
1pm EDT Apr 15, 2026-6pm EDT Apr 21, 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