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

26°F

-3°C

Humidity 66%
Wind Speed SW 6 mph
Barometer 30.23 in (1023.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 5 Jan 1:51 am EST
Extended Forecast for

New Castle DE

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. West wind around 5 mph becoming calm.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, with a high near 39. Light southeast wind becoming south 5 to 10 mph in the afternoon.

    High: 39 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. South wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. North wind around 5 mph becoming southeast in the afternoon.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 1am. Mostly cloudy, with a low around 41. Southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. West wind around 5 mph becoming calm.
Monday
Cloudy, with a high near 39. Light southeast wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 32. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 47. North wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 41. Southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Friday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 44.
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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:
2:07 am EST Jan 5, 2026
Forecast Valid:
2am EST Jan 5, 2026-6pm EST Jan 11, 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