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.

A Few Clouds

48°F

9°C

Humidity 66%
Wind Speed NW 9 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 7 Jan 7:51 pm EST
Extended Forecast for

New Castle DE

  • Tonight

    Tonight: Mostly clear, with a low around 35. Northwest wind 5 to 10 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 50. Northwest wind around 5 mph becoming calm.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Calm wind becoming southeast around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 1pm. Mostly cloudy, with a high near 56. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 56 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 51. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Rain Likely

  • Saturday

    Saturday: Rain and possibly a thunderstorm. High near 61. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 1am. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: A chance of rain before 1pm. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 35. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 50. Northwest wind around 5 mph becoming calm.
Thursday Night
Mostly cloudy, with a low around 36. Calm wind becoming southeast around 5 mph after midnight.
Friday
A chance of rain after 1pm. Mostly cloudy, with a high near 56. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 51. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain and possibly a thunderstorm. High near 61. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain, mainly before 1am. Low around 45. Chance of precipitation is 80%.
Sunday
A chance of rain before 1pm. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 46.
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 EST Jan 7, 2026
Forecast Valid:
8pm EST Jan 7, 2026-6pm EST Jan 14, 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