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.

Mostly Cloudy

48°F

9°C

Humidity 71%
Wind Speed S 6 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 26 Mar 2:51 am EDT
Extended Forecast for

New Castle DE

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. South wind around 10 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Southwest wind 10 to 15 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely after 2am. Increasing clouds, with a low around 52. Southwest wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers, mainly before 2pm. High near 59. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Friday Night

    Friday Night: A chance of rain before 2am. Mostly cloudy, with a low around 33. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. South wind around 10 mph.
Thursday
Mostly sunny, with a high near 73. Southwest wind 10 to 15 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely after 2am. Increasing clouds, with a low around 52. Southwest wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers, mainly before 2pm. High near 59. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 33. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 62.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Wednesday
A chance of rain. Partly sunny, with a high near 66. Chance of precipitation is 40%.
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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:
2:15 am EDT Mar 26, 2026
Forecast Valid:
3am EDT Mar 26, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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