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

29°F

-2°C

Humidity 54%
Wind Speed NW 8 mph
Barometer 30.27 in (1025.2 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 18 Mar 12:51 am EDT
Extended Forecast for

New Castle DE

  • Overnight

    Overnight: Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40. Northwest wind around 5 mph becoming calm.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. South wind around 5 mph becoming calm after midnight.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 49. South wind 5 to 10 mph.

    High: 49 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A slight chance of rain after 2am. Cloudy, with a low around 36. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Cloudy then
    Slight Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain before 8am. Partly sunny, with a high near 57. Chance of precipitation is 30%.

    High: 57 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 40. Northwest wind around 5 mph becoming calm.
Wednesday Night
Partly cloudy, with a low around 29. South wind around 5 mph becoming calm after midnight.
Thursday
Increasing clouds, with a high near 49. South wind 5 to 10 mph.
Thursday Night
A slight chance of rain after 2am. Cloudy, with a low around 36. Southeast wind around 5 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 54.
Friday Night
A chance of rain after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Saturday
A chance of rain before 8am. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle DE
 39.67°N 75.56°W (Elev. 3 ft)
Last Update:
5:56 pm EDT Mar 17, 2026
Forecast Valid:
2am EDT Mar 18, 2026-6pm EDT Mar 24, 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