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August 13th, 2026 :: 2:21 pm EDT   

Local Weather Report for
Jamestown
Pennsylvania, United States

 Jamestown Weather Forecast Summary  
 
Today
Aug 13th
Friday
Aug 14th
Saturday
Aug 15th
Sunday
Aug 16th
Monday
Aug 17th
Mix of Sun and Cloud Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
79°F
81°F
62°F
81°F
58°F
85°F
63°F
76°F
60°F
 
 Jamestown Detailed Weather Forecast  
 
Thursday, August 13th, 2026
Afternoon Temperature: 79°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 67°F
A mix of cloudy and clear skies.
Friday, August 14th, 2026
Overnight Temperature: 62°F
A mix of cloudy and clear skies.
Morning Temperature: 71°F
A mix of sun and cloud.
Afternoon Temperature: 80°F
Mostly sunny.
Evening Temperature: 68°F
Mostly clear.
Saturday, August 15th, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 67°F
Mostly sunny.
Afternoon Temperature: 81°F
Mostly sunny.
Evening Temperature: 70°F
Mostly clear.
Sunday, August 16th, 2026
Overnight Temperature: 64°F
A mix of cloudy and clear skies with a slight chance of showers.
Morning Temperature: 74°F
Mostly sunny with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 84°F
Sunny with cloudy periods with a slight chance of showers or thundershowers. Windy.
Evening Temperature: 72°F
Clear. Chance of a thunderstorm. Windy at times.
Monday, August 17th, 2026
Overnight Temperature: 67°F
Mostly clear with a chance of showers. Slight chance of a thunderstorm.
Morning Temperature: 69°F
Mostly cloudy with a slight chance of showers or thundershowers.
Afternoon Temperature: 76°F
Mostly sunny with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 64°F
Clear with a slight chance of showers.
Tuesday, August 18th, 2026
Overnight Temperature: 56°F
Clear.
Morning Temperature: 67°F
Sunny.
Afternoon Temperature: 79°F
Mostly sunny.
Evening Temperature: 63°F
Clear.
Wednesday, August 19th, 2026
Overnight Temperature: 59°F
Mostly clear.
Morning Temperature: 69°F
Mostly sunny.
Afternoon Temperature: 77°F
Mostly sunny. Windy at times.
Evening Temperature: 67°F
Clear with cloudy periods.
Thursday, August 20th, 2026
Overnight Temperature: 64°F
Mostly cloudy with a slight chance of showers.
Morning Temperature: 67°F
A mix of cloud and sun with a chance of showers.
Afternoon Temperature: 76°F
Mostly sunny with a chance of showers or thundershowers.
Evening Temperature: 69°F
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm.
Friday, August 21st, 2026
Overnight Temperature: 68°F
Cloudy with clear periods.
Morning Temperature: 72°F
A mix of cloud and sun with a chance of showers or thundershowers.
Afternoon Temperature: 71°F
A mix of cloud and sun with showers likely. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 68°F
Mostly clear. Slight chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Jamestown, 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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