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 and Windy

50°F

10°C

Humidity 33%
Wind Speed S 26 G 36 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 13 Mar 4:51 pm EDT
Extended Forecast for

New Castle DE

  • Tonight

    Tonight: Mostly clear, with a low around 40. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 40 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 53. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 53 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 38. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 38 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, with a high near 54. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 54 °F

    Cloudy

  • Sunday Night

    Sunday Night: A chance of rain before 2am, then rain and possibly a thunderstorm between 2am and 5am, then rain after 5am. Low around 49. Breezy, with a southeast wind 15 to 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Chance Rain
    then Rain and
    Breezy

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 66. Breezy. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 33. Windy. Chance of precipitation is 80%.

    Low: 33 °F

    Showers and
    Breezy then
    Rain/Snow and
    Windy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 8am. Partly sunny, with a high near 39. Breezy. Chance of precipitation is 30%.

    High: 39 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 53. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Increasing clouds, with a low around 38. Northwest wind around 5 mph becoming northeast after midnight.
Sunday
Cloudy, with a high near 54. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
A chance of rain before 2am, then rain and possibly a thunderstorm between 2am and 5am, then rain after 5am. Low around 49. Breezy, with a southeast wind 15 to 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, with thunderstorms also possible after 11am. High near 66. Breezy. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 33. Windy. Chance of precipitation is 80%.
Tuesday
A chance of rain and snow showers before 8am. Partly sunny, with a high near 39. Breezy. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
Cloudy, with a low around 30.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Cloudy, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle DE
 39.67°N 75.56°W (Elev. 3 ft)
Last Update:
4:12 pm EDT Mar 13, 2026
Forecast Valid:
5pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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