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September 17th, 2025 :: 8:04 am EDT   

Local Weather Report for
New Castle
Delaware, United States

 Current New Castle Weather Conditions Updated September 17th at 6:51 am 
Overcast
Temperature:64°F Dew Point:59°F
Barometer:30.04 inHg Wind:N 34 Mph
Humidity:82.6% Visibility:0M
 
 New Castle Weather Forecast Summary  
 
Today
Sep 17th
Thursday
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Showers Cloudy Mostly Sunny Sunny Cloudy
66°F
80°F
65°F
86°F
64°F
77°F
59°F
72°F
58°F
 
 New Castle Detailed Weather Forecast  
 
Wednesday, September 17th, 2025
Morning Temperature: 66°F
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 65°F
Cloudy with showers likely. Windy at times.
Evening Temperature: 65°F
Cloudy with a chance of showers.
Thursday, September 18th, 2025
Overnight Temperature: 65°F
Cloudy with a slight chance of showers.
Morning Temperature: 73°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Afternoon Temperature: 75°F
Sunny with cloudy periods. Slight chance of a thunderstorm.
Evening Temperature: 67°F
Clear.
Friday, September 19th, 2025
Overnight Temperature: 65°F
Clear.
Morning Temperature: 82°F
Sunny.
Afternoon Temperature: 79°F
Sunny.
Evening Temperature: 68°F
Mostly clear.
Saturday, September 20th, 2025
Overnight Temperature: 63°F
Clear.
Morning Temperature: 75°F
Sunny. Windy at times.
Afternoon Temperature: 71°F
Sunny. Windy at times.
Evening Temperature: 60°F
Clear.
Sunday, September 21st, 2025
Overnight Temperature: 59°F
Clear.
Morning Temperature: 71°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 67°F
Cloudy. Windy at times.
Evening Temperature: 64°F
Cloudy.
Monday, September 22nd, 2025
Overnight Temperature: 64°F
Cloudy.
Morning Temperature: 70°F
Cloudy.
Afternoon Temperature: 71°F
A mix of cloud and sun with a chance of showers.
Evening Temperature: 62°F
A mix of cloudy and clear skies.
Tuesday, September 23rd, 2025
Overnight Temperature: 62°F
A mix of cloudy and clear skies.
Morning Temperature: 73°F
Cloudy.
Afternoon Temperature: 71°F
Cloudy.
Evening Temperature: 64°F
A mix of cloudy and clear skies.
Wednesday, September 24th, 2025
Overnight Temperature: 63°F
Cloudy.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 73°F
Cloudy. Windy at times.
Evening Temperature: 67°F
A mix of cloudy and clear skies with a chance of showers.
Thursday, September 25th, 2025
Overnight Temperature: 66°F
A mix of cloudy and clear skies with a chance of showers.
Morning Temperature: 81°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 75°F
Cloudy with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 68°F
Clear with showers likely.





 

  [ Local Weather Report ]
Wilmington, DE 
6:51 AM  64°F
Overcast
 
Delaware City, DE 
6:51 AM  64°F
Overcast
 
Penns Grove, NJ 
6:51 AM  64°F
Overcast
 
Salem, NJ 
6:51 AM  64°F
Overcast
 
Newark, DE 
6:51 AM  64°F
Overcast
 
Woodstown, NJ 
 
Oakland, NJ 
 
Marcus Hook, PA 
6:54 AM  66°F
Overcast
 
Trainer, PA 
6:54 AM  66°F
Overcast
 
Elkton, MD 

This WeatherCity Weather Forecast for New Castle, Delaware, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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