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

59°F

15°C

Humidity 87%
Wind Speed N 7 mph
Barometer 30.23 in (1023.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 May 4:51 pm EDT
Extended Forecast for

New Castle DE

  • This Afternoon

    This Afternoon: Showers. High near 64. Northeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 11pm. Cloudy, with a low around 54. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 9am. Cloudy, with a high near 63. East wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before midnight, then rain likely, mainly after 2am. Cloudy, with a low around 50. East wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 57. East wind around 15 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 57 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 52. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Rain

  • Sunday

    Sunday: A chance of rain before 11am, then a chance of showers between 11am and 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.

    High: 69 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers. High near 64. Northeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly before 11pm. Cloudy, with a low around 54. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, mainly after 9am. Cloudy, with a high near 63. East wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers before midnight, then rain likely, mainly after 2am. Cloudy, with a low around 50. East wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 57. East wind around 15 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 52. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A chance of rain before 11am, then a chance of showers between 11am and 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle DE
 39.67°N 75.56°W (Elev. 3 ft)
Last Update:
4:08 pm EDT May 21, 2026
Forecast Valid:
5pm EDT May 21, 2026-6pm EDT May 28, 2026
 
Forecast Discussion
 
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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