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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: 12:09 am EST Dec 23, 2025 Latitude: 40.5384 Longitude: -79.6450454 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Christmas Day Friday Saturday Sunday Monday
80% chance of rain on Overnight 90% chance of rain on Tuesday Partly Sunny on Wednesday 30% chance of rain on Christmas Day 100% chance of rain on Friday 30% chance of rain on Saturday 70% chance of rain on Sunday 30% chance of snow on Monday
Low: 33°F High: 46°F High: 41°F High: 44°F High: 45°F High: 51°F High: 49°F High: 24°F
Low: 32°F Low: 32°F Low: 31°F Low: 36°F Low: 40°F Low: 16°F  
Rain Rain Partly Sunny Rain Rain Rain Rain Snow
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
37°
Cloudy
Unknown Precip
as of 2:53 AM EST
Rel. Humidity: 69%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
7 MPH
170° South
Cloud Level(s): Broken at 2800ft, Solid Overcast at 3700ft
Current Conditions at
LATROBE - (KLBE)
41°
Cloudy
Light Rain
as of 3:15 AM EST
Rel. Humidity: 75%
Dew Point: 34°F
Visibility: 9 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3200ft
Current Conditions at
BUTLER COUNTY - (KBTP)
Mostly Cloudy
as of 2:56 AM EST
Wind Data
Calm
Current Conditions at
STEWART FIELD - (KIDI)
37°
Mostly Cloudy
as of 3:15 AM EST
Rel. Humidity: 69%
Dew Point: 28°F
Visibility: 8 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
8 MPH
140° Southeast
Cloud Level(s): Few at 2000ft, Scattered at 2400ft, Broken at 3300ft
80% chance of rain Overnight Overnight... Showers. Low around 33. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Tuesday Tuesday... Showers, mainly before 11am. High near 46. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Cloudy on Tuesday Night Tuesday Night... Cloudy, with a low around 32. West wind around 10 mph, with gusts as high as 21 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 41. Northwest wind 5 to 7 mph becoming calm in the afternoon.
40% chance of rain Wednesday Night Wednesday Night... Scattered showers after 1am. Mostly cloudy, with a low around 32. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
30% chance of rain Christmas Day Christmas Day... Scattered showers, mainly before 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
30% chance of snow Thursday Night Thursday Night... Scattered snow showers after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
100% chance of rain Friday Friday... Showers. High near 45. Chance of precipitation is 100%.
70% chance of rain Friday Night Friday Night... Showers likely, mainly before 1am. Cloudy, with a low around 36. Chance of precipitation is 70%.
30% chance of rain Saturday Saturday... Scattered showers. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
60% chance of rain Saturday Night Saturday Night... Showers likely. Cloudy, with a low around 40. Chance of precipitation is 60%.
70% chance of rain Sunday Sunday... Showers likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
50% chance of rain & snow Sunday Night Sunday Night... Scattered rain and snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 50%.
30% chance of snow Monday Monday... A chance of snow showers. Mostly cloudy, with a high near 24. Breezy. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Alcoa Center, Pennsylvania
Sunrise: 07:40 AM
Sunset: 4:56 PM
Civil Sunrise:07:09 AM
Civil Sunset: 5:27 PM
Nautical Sunrise: 06:34 AM
Nautical Sunset: 6:01 PM
Astro Sunrise: 06:01 AM
Astro Sunset: 6:35 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.