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

32°F

0°C

Humidity 52%
Wind Speed W 6 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 13 Mar 2:51 am EDT
Extended Forecast for

New Castle DE

  • Overnight

    Overnight: Clear, with a low around 31. West wind around 5 mph.

    Low: 31 °F

    Clear

  • Friday

    Friday: Increasing clouds, with a high near 50. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 50 °F

    Sunny then
    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 42. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 54. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 54 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 49. Chance of precipitation is 90%.

    Low: 49 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 68. Breezy. Chance of precipitation is 90%.

    High: 68 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 35. Breezy. Chance of precipitation is 80%.

    Low: 35 °F

    Showers and
    Breezy

Detailed Forecast

Overnight
Clear, with a low around 31. West wind around 5 mph.
Friday
Increasing clouds, with a high near 50. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 42. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 54. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
Mostly cloudy, with a low around 39. Northwest wind around 5 mph becoming northeast after midnight.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
Showers, mainly after 2am. Low around 49. Chance of precipitation is 90%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 68. Breezy. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 35. Breezy. Chance of precipitation is 80%.
Tuesday
A chance of showers before 8am. Mostly sunny, with a high near 42. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly cloudy, with a high near 49.
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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:
2:24 am EDT Mar 13, 2026
Forecast Valid:
3am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation