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

41°F

5°C

Humidity 47%
Wind Speed W 8 mph
Barometer 30.15 in (1020.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 14 Feb 10:51 am EST
Extended Forecast for

New Castle DE

  • Today

    Today: Sunny, with a high near 45. West wind 5 to 10 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Mostly cloudy, with a high near 42. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain and snow before 4am, then a slight chance of snow. Mostly cloudy, with a low around 32. Northeast wind around 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 44. North wind around 5 mph.

    High: 44 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 45. West wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 29. Calm wind.
Sunday
A chance of rain after 1pm. Mostly cloudy, with a high near 42. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of rain and snow before 4am, then a slight chance of snow. Mostly cloudy, with a low around 32. Northeast wind around 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Washington's Birthday
Mostly cloudy, with a high near 44. North wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. Cloudy, with a high near 52. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Thursday
A chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
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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:
4:15 am EST Feb 14, 2026
Forecast Valid:
10am EST Feb 14, 2026-6pm EST Feb 20, 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