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July 17th, 2026 :: 2:39 am EDT   

Local Weather Report for
New Castle
Delaware, United States

 Current New Castle Weather Conditions Updated July 17th at 1:51 am 
Overcast haze
Temperature:72°F Dew Point:64°F
Barometer:29.98 inHg Wind:N 15 Mph
Humidity:78.1% Visibility:0M
 
 New Castle Weather Forecast Summary  
 
Today
Jul 17th
Saturday
Jul 18th
Sunday
Jul 19th
Monday
Jul 20th
Tuesday
Jul 21st
Mostly Sunny Thundershowers Mostly Sunny Mostly Sunny Thundershowers
90°F
75°F
71°F
85°F
68°F
85°F
61°F
85°F
66°F
 
 New Castle Detailed Weather Forecast  
 
Friday, July 17th, 2026
Overnight Temperature: 72°F
Mostly clear.
Morning Temperature: 80°F
Mostly sunny.
Afternoon Temperature: 88°F
Mostly sunny. Windy at times.
Evening Temperature: 76°F
A mix of cloudy and clear skies.
Saturday, July 18th, 2026
Overnight Temperature: 72°F
Mostly cloudy.
Morning Temperature: 73°F
Mostly cloudy with a chance of showers.
Afternoon Temperature: 74°F
A mix of cloud and sun with a few showers.
Evening Temperature: 73°F
A mix of cloudy and clear skies with showers likely. Chance of a thunderstorm. Windy at times.
Sunday, July 19th, 2026
Overnight Temperature: 74°F
Mostly cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Morning Temperature: 78°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 84°F
Mostly sunny with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 71°F
Clear.
Monday, July 20th, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 83°F
Mostly sunny. Windy at times.
Evening Temperature: 72°F
Clear with cloudy periods.
Tuesday, July 21st, 2026
Overnight Temperature: 71°F
Mostly clear.
Morning Temperature: 73°F
A mix of cloud and sun with a few showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 85°F
Mostly sunny with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 70°F
Clear with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Wednesday, July 22nd, 2026
Overnight Temperature: 62°F
Mostly clear.
Morning Temperature: 70°F
A mix of cloud and sun.
Afternoon Temperature: 81°F
A mix of sun and cloud.
Evening Temperature: 70°F
Clear.
Thursday, July 23rd, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear. Windy at times.
Friday, July 24th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear. Windy at times.





 

  [ Local Weather Report ]
Wilmington, DE 
1:51 AM  72°F
Overcast haze
 
Delaware City, DE 
1:51 AM  72°F
Overcast haze
 
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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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