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.

Overcast

45°F

7°C

Humidity 93%
Wind Speed NW 12 mph
Barometer 29.49 in (998.7 mb)
Dewpoint 43°F (6°C)
Visibility 7.00 mi
Wind Chill39°F (4°C)
Last update 13 Nov 3:51 am EST
Extended Forecast for

New Castle DE

  • Overnight

    Overnight: A chance of rain. Cloudy, with a low around 43. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly before 4pm. High near 46. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before midnight. Cloudy, with a low around 38. Northwest wind 10 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 48. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. West wind around 10 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of rain. Cloudy, with a low around 43. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly before 4pm. High near 46. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain, mainly before midnight. Cloudy, with a low around 38. Northwest wind 10 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 48. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 39. West wind around 10 mph.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Clear, with a low around 37.
Thursday
Sunny, with a high near 61.
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:
4:27 am EST Nov 13, 2026
Forecast Valid:
4am EST Nov 13, 2026-6pm EST Nov 19, 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