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

30°C

86°F

Humidity 63%
Wind Speed Calm
Barometer 1017.1 mb (30.04 in)
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index33°C (92°F)
Last update 15 Jul 5:51 pm EDT
Extended Forecast for

New Castle DE

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 24. South wind 5 to 10 km/h. Chance of precipitation is 20%.

    Low: 24 °C

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 31. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 31 °C

    Chance
    Showers then
    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 25. Southwest wind 10 to 15 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 25 °C

    Heavy Rain

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 33. Southwest wind around 15 km/h. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 33 °C

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 26. Southwest wind around 10 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 26 °C

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 31. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 31 °C

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 22. Chance of precipitation is 30%.

    Low: 22 °C

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °C

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 24. South wind 5 to 10 km/h. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 31. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 25. Southwest wind 10 to 15 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 33. Southwest wind around 15 km/h. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 26. Southwest wind around 10 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 31. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 22. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 29. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 29. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 29. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle DE
 39.67°N 75.56°W (Elev. 3 m)
Last Update:
4:13 pm EDT Jul 15, 2025
Forecast Valid:
6pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation