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

50°F

10°C

Humidity 68%
Wind Speed SE 14 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 22 Apr 5:51 am EDT
Extended Forecast for

New Castle DE

  • Today

    Today: Showers likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 65. South wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Northwest wind 5 to 10 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers. Partly sunny, with a high near 67. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

Today
Showers likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 65. South wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 50. Calm wind.
Thursday
Mostly sunny, with a high near 74. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming northeast after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 67. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers. High near 53. Chance of precipitation is 80%.
Saturday Night
Showers, mainly before 2am. Low around 45. Chance of precipitation is 80%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 64.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Tuesday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
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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:
4:10 am EDT Apr 22, 2026
Forecast Valid:
6am EDT Apr 22, 2026-6pm EDT Apr 28, 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