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

56°F

13°C

Humidity 49%
Wind Speed SW 8 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 28 Apr 8:51 am EDT
Extended Forecast for

New Castle DE

  • Today

    Today: A slight chance of showers between 11am and 2pm. Mostly cloudy, with a high near 64. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Southeast wind around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 5pm. Mostly cloudy, with a high near 65. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 51. Southeast wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 8am. Mostly sunny, with a high near 63. Northwest wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.

    High: 55 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers between 11am and 2pm. Mostly cloudy, with a high near 64. South wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 51. Southeast wind around 5 mph.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 5pm. Mostly cloudy, with a high near 65. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 51. Southeast wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, mainly before 8am. Mostly sunny, with a high near 63. Northwest wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 45.
Monday
Mostly sunny, with a high near 66.
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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:
4:08 am EDT Apr 28, 2026
Forecast Valid:
9am EDT Apr 28, 2026-6pm EDT May 4, 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