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September 17th, 2025 :: 10:57 pm EDT   

Local Weather Report for
Northumberland
Pennsylvania, United States

 Current Northumberland Weather Conditions Updated September 17th at 9:53 pm 
Mostly Clear
Temperature:63°F Dew Point:61°F
Barometer:30.04 inHg Wind:calm
Humidity:93.8% Visibility:0M
 
 Northumberland Weather Forecast Summary  
 
Today
Sep 17th
Thursday
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Cloudy Cloudy Mostly Sunny Sunny Cloudy
64°F
81°F
59°F
81°F
52°F
74°F
49°F
73°F
48°F
 
 Northumberland Detailed Weather Forecast  
 
Wednesday, September 17th, 2025
Evening Temperature: 61°F
Cloudy.
Thursday, September 18th, 2025
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 77°F
A mix of cloud and sun.
Afternoon Temperature: 74°F
Sunny.
Evening Temperature: 60°F
Clear.
Friday, September 19th, 2025
Overnight Temperature: 58°F
Clear.
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 71°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 55°F
Clear.
Saturday, September 20th, 2025
Overnight Temperature: 50°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 67°F
Sunny.
Evening Temperature: 53°F
Clear.
Sunday, September 21st, 2025
Overnight Temperature: 50°F
Mostly clear.
Morning Temperature: 70°F
A mix of cloud and sun.
Afternoon Temperature: 67°F
Sunny.
Evening Temperature: 54°F
Cloudy.
Monday, September 22nd, 2025
Overnight Temperature: 56°F
Cloudy.
Morning Temperature: 70°F
A mix of cloud and sun.
Afternoon Temperature: 68°F
Cloudy.
Evening Temperature: 59°F
Clear.
Tuesday, September 23rd, 2025
Overnight Temperature: 59°F
Clear.
Morning Temperature: 75°F
Cloudy.
Afternoon Temperature: 72°F
Cloudy.
Evening Temperature: 61°F
Cloudy.
Wednesday, September 24th, 2025
Overnight Temperature: 60°F
A mix of cloudy and clear skies.
Morning Temperature: 78°F
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 73°F
Sunny with cloudy periods with a few showers. Chance of a thunderstorm.
Evening Temperature: 63°F
Clear with showers likely.
Thursday, September 25th, 2025
Overnight Temperature: 61°F
Clear with cloudy periods with a chance of showers.
Morning Temperature: 76°F
Cloudy with a chance of showers or thundershowers.
Afternoon Temperature: 71°F
Cloudy with a chance of showers or thundershowers.
Evening Temperature: 63°F
Clear with cloudy periods with showers likely. Slight chance of a thunderstorm.





 

  [ Local Weather Report ]
Sunbury, PA 
9:53 PM  63°F
Mostly Clear
 
Shamokin Dam, PA 
9:53 PM  63°F
Mostly Clear
 
Selinsgrove, PA 
9:53 PM  63°F
Mostly Clear
 
Lewisburg, PA 
9:53 PM  63°F
Mostly Clear
 
New Berlin, PA 
9:53 PM  63°F
Mostly Clear
 
Danville, PA 
 
Freeburg, PA 
9:53 PM  63°F
Mostly Clear
 
Mcewensville, PA 
 
Herndon, PA 
9:53 PM  63°F
Mostly Clear
 
Mifflinburg, PA 
9:53 PM  63°F
Mostly Clear

This WeatherCity Weather Forecast for Northumberland, 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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