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July 17th, 2026 :: 2:30 am EDT   

Local Weather Report for
Derry
Pennsylvania, United States

 Derry 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
83°F
77°F
65°F
78°F
57°F
81°F
53°F
72°F
53°F
 
 Derry Detailed Weather Forecast  
 
Friday, July 17th, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 73°F
Mostly sunny.
Afternoon Temperature: 82°F
A mix of sun and cloud.
Evening Temperature: 69°F
Mostly clear.
Saturday, July 18th, 2026
Overnight Temperature: 67°F
A mix of cloudy and clear skies.
Morning Temperature: 66°F
Cloudy with showers likely.
Afternoon Temperature: 74°F
A mix of cloud and sun with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
Mostly clear with a chance of showers or thundershowers. Windy at times.
Sunday, July 19th, 2026
Overnight Temperature: 70°F
Mostly cloudy with a chance of showers or thundershowers.
Morning Temperature: 68°F
A mix of sun and cloud with a slight chance of showers. Windy at times.
Afternoon Temperature: 77°F
Sunny. Windy at times.
Evening Temperature: 61°F
Mostly clear.
Monday, July 20th, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 67°F
Mostly sunny.
Afternoon Temperature: 78°F
A mix of cloud and sun.
Evening Temperature: 67°F
Mostly clear.
Tuesday, July 21st, 2026
Overnight Temperature: 63°F
Mostly cloudy with showers. Windy at times.
Morning Temperature: 66°F
A mix of cloud and sun with periods of rain. Chance of a thunderstorm.
Afternoon Temperature: 70°F
Sunny with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 58°F
Mostly clear. Windy at times.
Wednesday, July 22nd, 2026
Overnight Temperature: 52°F
Clear with cloudy periods.
Morning Temperature: 62°F
Sunny with cloudy periods.
Afternoon Temperature: 74°F
Mostly sunny.
Evening Temperature: 60°F
Clear.
Thursday, July 23rd, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 67°F
Mostly sunny.
Afternoon Temperature: 80°F
Sunny.
Evening Temperature: 65°F
Clear. Slight chance of a thunderstorm.
Friday, July 24th, 2026
Overnight Temperature: 60°F
Clear.
Morning Temperature: 69°F
Mostly sunny.
Afternoon Temperature: 82°F
A mix of sun and cloud. Windy at times.
Evening Temperature: 69°F
Clear.





 

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This WeatherCity Weather Forecast for Derry, Pennsylvania, 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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