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.

Light Rain Fog/Mist

39°F

4°C

Humidity 93%
Wind Speed W 5 mph
Barometer 30.24 in (1024.2 mb)
Dewpoint 37°F (3°C)
Visibility 6.00 mi
Wind Chill35°F (2°C)
Last update 3 Mar 10:51 pm EST
Extended Forecast for

New Castle DE

  • Tonight

    Tonight: Rain, mainly before 3am. Patchy fog before midnight. Low around 40. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of rain before 7am, then a chance of rain after 9am. Mostly cloudy, with a high near 53. West wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Slight Chance
    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 1am. Low around 44. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Chance Rain
    then Rain

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Cloudy, with a high near 58. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Cloudy, with a low around 49. East wind around 5 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers before 1pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 1pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.

    High: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

Tonight
Rain, mainly before 3am. Patchy fog before midnight. Low around 40. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A slight chance of rain before 7am, then a chance of rain after 9am. Mostly cloudy, with a high near 53. West wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly after 1am. Low around 44. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 1pm. Cloudy, with a high near 58. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Cloudy, with a low around 49. East wind around 5 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 1pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
A chance of showers after 1pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 68.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 69.
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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:
7:15 pm EST Mar 3, 2026
Forecast Valid:
11pm EST Mar 3, 2026-6pm EDT Mar 10, 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