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

62°F

17°C

Humidity 90%
Wind Speed W 6 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 12 Oct 9:51 pm EDT
Extended Forecast for

New Castle DE

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 58. West wind around 5 mph.

    Low: 58 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, sunny, with a high near 78. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 67. Southwest wind around 10 mph.

    Low: 67 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. West wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 61. West wind around 5 mph becoming north after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely before 8pm. Partly cloudy, with a low around 49. Breezy. Chance of precipitation is 60%.

    Low: 49 °F

    Breezy.
    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 58. West wind around 5 mph.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 78. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Clear, with a low around 67. Southwest wind around 10 mph.
Wednesday
Sunny, with a high near 83. West wind 5 to 10 mph.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 61. West wind around 5 mph becoming north after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Showers likely after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Friday Night
Showers likely before 8pm. Partly cloudy, with a low around 49. Breezy. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 64.
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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:
4:10 pm EDT Oct 12, 2026
Forecast Valid:
9pm EDT Oct 12, 2026-6pm EDT Oct 19, 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