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

44°F

7°C

Humidity 71%
Wind Speed S 6 mph
Barometer 29.47 in (997.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 Jan 8:51 pm EST
Extended Forecast for

New Castle DE

  • Tonight

    Tonight: Rain likely, mainly between 3am and 4am. Cloudy, with a low around 33. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 34. West wind around 15 mph, with gusts as high as 25 mph.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. West wind around 15 mph.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 36. West wind 10 to 15 mph becoming south in the afternoon.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 30. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 44. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain likely, mainly between 3am and 4am. Cloudy, with a low around 33. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 34. West wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 21. West wind around 15 mph.
Friday
Sunny, with a high near 36. West wind 10 to 15 mph becoming south in the afternoon.
Friday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 30. South wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 44. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 19.
M.L.King Day
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Mostly clear, with a low around 15.
Wednesday
Mostly sunny, with a high near 31.
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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:
4:18 pm EST Jan 14, 2026
Forecast Valid:
9pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation