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

65°F

18°C

Humidity 47%
Wind Speed E 5 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 22 Apr 3:51 pm EDT
Extended Forecast for

New Castle DE

  • Tonight

    Tonight: Mostly clear, with a low around 51. East wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. North wind 5 to 10 mph becoming west in the morning.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Northeast wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 49. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 51. East wind around 5 mph.
Thursday
Sunny, with a high near 77. North wind 5 to 10 mph becoming west in the morning.
Thursday Night
Partly cloudy, with a low around 54. Northeast wind around 5 mph.
Friday
Mostly sunny, with a high near 69. Northeast wind around 5 mph becoming southeast in the afternoon.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 65.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Tuesday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.
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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 pm EDT Apr 22, 2026
Forecast Valid:
4pm EDT Apr 22, 2026-6pm EDT Apr 29, 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