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Shamrock, Pennsylvania Weather Forecast
Shamrock, Pennsylvania Weather
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Weather Forecast for Shamrock, Pennsylvania : Fayette County
Issued: 5:26 am EST Dec 7, 2025 Latitude: 39.9178537 Longitude: -79.8064352 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Cloudy on Today 20% chance of snow on Tonight Mostly Sunny on Monday Mostly Cloudy on Tuesday 80% chance of rain on Wednesday 40% chance of rain & snow on Thursday 50% chance of snow on Friday 30% chance of snow on Saturday
High: 39°F Low: 18°F High: 29°F High: 38°F High: 44°F High: 36°F High: 32°F High: 22°F
Low: 13°F Low: 32°F Low: 29°F Low: 25°F Low: 14°F  
Mostly Cloudy Snow Mostly Sunny Mostly Cloudy Rain Rain & Snow Snow Snow
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
32°
Cloudy
as of 10:27 AM EST
Rel. Humidity: 74%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 2800ft
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 39. Southwest wind around 6 mph.
20% chance of snow Tonight Tonight... A slight chance of snow before 9pm. Mostly cloudy, with a low around 18. Light and variable wind becoming north 5 to 7 mph in the evening. Chance of precipitation is 20%.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 29. Northeast wind around 7 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 13. Light and variable wind.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 38. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
30% chance of rain Tuesday Night Tuesday Night... A chance of rain after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
80% chance of rain Wednesday Wednesday... Rain. High near 44. Chance of precipitation is 80%.
70% chance of rain & snow Wednesday Night Wednesday Night... Rain and snow likely, mainly before 1am. Cloudy, with a low around 29. Chance of precipitation is 70%.
40% chance of rain & snow Thursday Thursday... A chance of rain and snow after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
60% chance of snow Thursday Night Thursday Night... Snow likely. Cloudy, with a low around 25. Chance of precipitation is 60%.
50% chance of snow Friday Friday... A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
50% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 50%.
30% chance of snow Saturday Saturday... A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 30%.
Sun Almanac for Shamrock, Pennsylvania
Sunrise: 07:28 AM
Sunset: 4:54 PM
Civil Sunrise:06:57 AM
Civil Sunset: 5:24 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 5:58 PM
Astro Sunrise: 05:51 AM
Astro Sunset: 6:31 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.