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

49°F

9°C

Humidity 83%
Wind Speed NE 5 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 23 Apr 5:51 am EDT
Extended Forecast for

New Castle DE

  • Today

    Today: Mostly sunny, with a high near 76. Northwest wind 5 to 15 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. North wind 5 to 10 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 68. Northeast wind around 5 mph becoming south in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 50. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 54. East wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am. Cloudy, with a low around 46. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Northwest wind 5 to 15 mph.
Tonight
Increasing clouds, with a low around 53. North wind 5 to 10 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Northeast wind around 5 mph becoming south in the afternoon.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers. High near 54. East wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, mainly before 2am. Cloudy, with a low around 46. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers before 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 63.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Tuesday
Showers. High near 62. Chance of precipitation is 80%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.
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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:
4:08 am EDT Apr 23, 2026
Forecast Valid:
6am EDT Apr 23, 2026-6pm EDT Apr 29, 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