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

50°F

10°C

Humidity 61%
Wind Speed S 16 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 22 Apr 2:51 am EDT
Extended Forecast for

New Castle DE

  • Overnight

    Overnight: Cloudy, with a low around 48. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 67. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northeast wind around 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 73. Northwest wind 5 to 10 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.

    High: 51 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

Detailed Forecast

Overnight
Cloudy, with a low around 48. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 67. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 52. Northeast wind around 5 mph.
Thursday
Sunny, with a high near 73. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm.
Friday
A slight chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Saturday
Showers likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 63.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Tuesday
Showers likely. Partly sunny, with a high near 64. Chance of precipitation is 60%.
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:
4:11 pm EDT Apr 21, 2026
Forecast Valid:
3am EDT Apr 22, 2026-6pm EDT Apr 28, 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