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

19°F

-7°C

Humidity 47%
Wind Speed NW 13 mph
Barometer 30.28 in (1025.3 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 20 Jan 4:51 am EST
Extended Forecast for

New Castle DE

  • Today

    Today: Sunny, with a high near 24. West wind 10 to 15 mph.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 14. West wind around 5 mph becoming calm after midnight.

    Low: 14 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. South wind 10 to 15 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.

    High: 20 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 24. West wind 10 to 15 mph.
Tonight
Clear, with a low around 14. West wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 38. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 32. South wind 10 to 15 mph.
Thursday
Mostly sunny, with a high near 46. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.
Saturday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 24.
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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:
4:11 am EST Jan 20, 2026
Forecast Valid:
5am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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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