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Alcoa Center, Pennsylvania Weather Forecast
Alcoa Center, Pennsylvania Weather
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Weather Forecast for Alcoa Center, Pennsylvania : Westmoreland County
Issued: 10:21 am EST Dec 20, 2025 Latitude: 40.5384 Longitude: -79.6450454 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Christmas Day Friday
Partly Sunny on Today Mostly Cloudy on Tonight Mostly Sunny on Sunday Partly Sunny on Monday 70% chance of rain on Tuesday Mostly Cloudy on Wednesday 70% chance of rain on Christmas Day 50% chance of rain on Friday
High: 44°F Low: 26°F High: 31°F High: 37°F High: 48°F High: 40°F High: 54°F High: 54°F
Low: 16°F Low: 30°F Low: 28°F Low: 32°F Low: 47°F  
Partly Sunny Mostly Cloudy Mostly Sunny Partly Sunny Rain Mostly Cloudy Rain Rain
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
30°
Feels like 21°F
Clear
as of 10:53 AM EST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
LATROBE - (KLBE)
32°
Clear
as of 10:47 AM EST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 20 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
6 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
BUTLER COUNTY - (KBTP)
Clear
as of 10:56 AM EST
Wind Data
Calm
Current Conditions at
STEWART FIELD - (KIDI)
30°
Clear
as of 10:55 AM EST
Rel. Humidity: 63%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Partly Sunny on Today Today... Partly sunny, with a high near 44. South wind around 9 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 26. West wind around 10 mph, with gusts as high as 21 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 31. West wind 11 to 15 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 16. West wind 5 to 7 mph becoming light and variable after midnight.
Partly Sunny on Monday Monday... Partly sunny, with a high near 37. Southwest wind 3 to 5 mph.
80% chance of rain & snow Monday Night Monday Night... A chance of rain and snow before 1am, then rain. Low around 30. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
70% chance of rain Tuesday Tuesday... Rain likely, mainly before 1pm. Cloudy, with a high near 48. Chance of precipitation is 70%.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 28.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 40.
70% chance of rain Wednesday Night Wednesday Night... Rain likely, mainly after 1am. Cloudy, with a low around 32. Chance of precipitation is 70%.
70% chance of rain Christmas Day Christmas Day... Rain likely. Cloudy, with a high near 54. Chance of precipitation is 70%.
70% chance of rain Thursday Night Thursday Night... Rain likely. Cloudy, with a low around 47. Chance of precipitation is 70%.
50% chance of rain Friday Friday... A chance of rain. Cloudy, with a high near 54. Chance of precipitation is 50%.
Current Radar Image


Sun Almanac for Alcoa Center, Pennsylvania
Sunrise: 07:38 AM
Sunset: 4:54 PM
Civil Sunrise:07:07 AM
Civil Sunset: 5:25 PM
Nautical Sunrise: 06:33 AM
Nautical Sunset: 6:00 PM
Astro Sunrise: 06:00 AM
Astro Sunset: 6:33 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.