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

48°F

9°C

Humidity 86%
Wind Speed SW 3 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 9 Oct 7:51 am EDT
Extended Forecast for

New Castle DE

  • Today

    Today: Mostly sunny, with a high near 73. West wind 5 to 15 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Northwest wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73. North wind around 5 mph becoming southeast in the afternoon.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Cloudy, with a low around 61. Northeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 68. East wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Columbus Day

    Columbus Day: Showers likely, mainly before 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. West wind 5 to 15 mph.
Tonight
Mostly cloudy, with a low around 54. Northwest wind around 5 mph.
Saturday
Partly sunny, with a high near 73. North wind around 5 mph becoming southeast in the afternoon.
Saturday Night
A chance of showers after 2am. Cloudy, with a low around 61. Northeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly after 8am. High near 68. East wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Columbus Day
Showers likely, mainly before 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 67.
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:
4:09 am EDT Oct 9, 2026
Forecast Valid:
8am EDT Oct 9, 2026-6pm EDT Oct 15, 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