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

40°F

4°C

Humidity 63%
Wind Speed S 5 mph
Barometer 30.40 in (1029.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 25 Mar 1:51 am EDT
Extended Forecast for

New Castle DE

  • Overnight

    Overnight: Cloudy early, then becoming partly cloudy, with a low around 36. South wind around 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. South wind 5 to 10 mph.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 44. South wind around 10 mph.

    Low: 44 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 70. Southwest wind 10 to 15 mph.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 58. South wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 2pm. High near 59. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy early, then becoming partly cloudy, with a low around 36. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 54. South wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 44. South wind around 10 mph.
Thursday
Partly sunny, with a high near 70. Southwest wind 10 to 15 mph.
Thursday Night
Showers, mainly after 2am. Low around 58. South wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 2pm. High near 59. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 67.
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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:
1:12 am EDT Mar 25, 2026
Forecast Valid:
2am EDT Mar 25, 2026-6pm EDT Mar 31, 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