Cooperstown, Pennsylvania Weather
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Weather Forecast for Cooperstown, Pennsylvania : Westmoreland County
Issued: 7:03 pm EDT Sep 4, 2025 Latitude: 40.3059033 Longitude: -79.365314 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
60% chance of rain on Tonight Mostly Cloudy on Friday 70% chance of thunderstorms on Saturday Morning Fog on Sunday Morning Fog on Monday Morning Fog on Tuesday Sunny on Wednesday Sunny on Thursday
Low: 57°F High: 82°F High: 67°F High: 68°F High: 70°F High: 75°F High: 78°F High: 78°F
Low: 58°F Low: 49°F Low: 44°F Low: 44°F Low: 49°F Low: 51°F  
Rain Mostly Cloudy Thunderstorms Morning Fog Morning Fog Morning Fog Sunny Sunny
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Current Conditions at
STEWART FIELD - (KIDI)
59°
Cloudy
as of 7:35 PM EDST
Rel. Humidity: 100%
Dew Point: 59°F
Visibility: 8 Miles
Pressure: 29.82 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
JOHNSTOWN - (KJST)
57°
Cloudy
Heavy Rain Mist
as of 7:40 PM EDST
Rel. Humidity: 93%
Dew Point: 55°F
Visibility: 1 3/4 Miles
Pressure: 29.84 in.
Flight Rule: IFR
Wind Data
9 MPH
270° West
Cloud Level(s): Broken at 600ft, Broken at 1300ft, Solid Overcast at 2200ft
Current Conditions at
BUTLER COUNTY - (KBTP)
63°
Cloudy
as of 6:56 PM EDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
3 MPH
080° East
Cloud Level(s): Few at 4300ft, Solid Overcast at 6000ft
60% chance of rain Tonight Tonight... Showers likely, mainly before 10pm. Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 57. South wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 82. Light south wind becoming southwest 9 to 14 mph in the morning.
70% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely. Increasing clouds, with a low around 58. South wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
70% chance of thunderstorms Saturday Saturday... Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 67. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
30% chance of rain Saturday Night Saturday Night... A chance of showers or sprinkles before 8pm, then a chance of sprinkles between 8pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 49. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Morning Fog on Sunday Sunday... Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68.
Morning Fog on Sunday Night Sunday Night... Patchy fog after 1am. Otherwise, mostly clear, with a low around 44.
Morning Fog on Monday Monday... Areas of fog before 9am. Otherwise, sunny, with a high near 70.
Morning Fog on Monday Night Monday Night... Patchy fog after 3am. Otherwise, mostly clear, with a low around 44.
Morning Fog on Tuesday Tuesday... Patchy fog before 9am. Otherwise, sunny, with a high near 75.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 49.
Sunny on Wednesday Wednesday... Sunny, with a high near 78.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 51.
Sunny on Thursday Thursday... Sunny, with a high near 78.
Current Radar Image


Sun Almanac for Cooperstown, Pennsylvania
Sunrise: 06:48 AM
Sunset: 7:44 PM
Civil Sunrise:06:21 AM
Civil Sunset: 8:12 PM
Nautical Sunrise: 05:48 AM
Nautical Sunset: 8:45 PM
Astro Sunrise: 05:13 AM
Astro Sunset: 9:19 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.