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September 11th, 2025 :: 8:36 am EDT   

Local Weather Report for
South Williamsport
Pennsylvania, United States

 Current South Williamsport Weather Conditions Updated September 11th at 7:54 am 
Overcast
Temperature:52°F Dew Point:50°F
Barometer:30.18 inHg Wind:calm
Humidity:93.5% Visibility:0M
 
 South Williamsport Weather Forecast Summary  
 
Today
Sep 11th
Friday
Sep 12th
Saturday
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Mostly Sunny Mostly Sunny Cloudy Cloudy Cloudy
77°F
79°F
52°F
78°F
57°F
82°F
58°F
82°F
55°F
 
 South Williamsport Detailed Weather Forecast  
 
Thursday, September 11th, 2025
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 70°F
Sunny.
Evening Temperature: 55°F
Clear.
Friday, September 12th, 2025
Overnight Temperature: 54°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 70°F
Sunny with cloudy periods.
Evening Temperature: 63°F
Clear with cloudy periods.
Saturday, September 13th, 2025
Overnight Temperature: 58°F
Clear with cloudy periods.
Morning Temperature: 75°F
A mix of cloud and sun.
Afternoon Temperature: 70°F
Cloudy.
Evening Temperature: 64°F
A mix of cloudy and clear skies.
Sunday, September 14th, 2025
Overnight Temperature: 59°F
Mostly clear.
Morning Temperature: 78°F
Sunny with cloudy periods.
Afternoon Temperature: 73°F
Cloudy.
Evening Temperature: 60°F
Clear with cloudy periods.
Monday, September 15th, 2025
Overnight Temperature: 57°F
Clear.
Morning Temperature: 78°F
A mix of cloud and sun.
Afternoon Temperature: 74°F
Cloudy.
Evening Temperature: 61°F
Cloudy.
Tuesday, September 16th, 2025
Overnight Temperature: 57°F
Cloudy.
Morning Temperature: 75°F
Cloudy.
Afternoon Temperature: 69°F
Cloudy.
Evening Temperature: 58°F
Cloudy.
Wednesday, September 17th, 2025
Overnight Temperature: 57°F
A mix of cloudy and clear skies.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 74°F
Sunny.
Evening Temperature: 59°F
Clear.
Thursday, September 18th, 2025
Overnight Temperature: 57°F
Clear.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 60°F
Clear.
Friday, September 19th, 2025
Overnight Temperature: 59°F
Clear with cloudy periods.
Morning Temperature: 77°F
Sunny with cloudy periods.
Afternoon Temperature: 74°F
Sunny.
Evening Temperature: 62°F
Clear with cloudy periods.





 

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7:54 AM  52°F
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7:54 AM  52°F
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7:54 AM  52°F
Overcast
 
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7:54 AM  52°F
Overcast
 
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7:54 AM  52°F
Overcast
 
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Overcast
 
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This WeatherCity Weather Forecast for South Williamsport, 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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