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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: 12:43 pm EST Jan 10, 2026 Latitude: 40.5384 Longitude: -79.6450454 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
80% chance of rain on This Afternoon 90% chance of rain on Tonight 70% chance of snow on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 80% chance of rain on Wednesday 30% chance of snow on Thursday 30% chance of snow on Friday
High: 50°F Low: 30°F High: 34°F High: 37°F High: 45°F High: 42°F High: 26°F High: 33°F
Low: 25°F Low: 28°F Low: 36°F Low: 19°F Low: 17°F  
Rain Rain Snow Mostly Sunny Partly Sunny Rain Snow Snow
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
46°
Cloudy
Light Rain Mist
as of 3:23 PM EST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 2 1/2 Miles
Pressure: 29.80 in.
Flight Rule: IFR
Wind Data
6 MPH
130° Southeast
Cloud Level(s): Few at 2100ft, Broken at 2800ft, Solid Overcast at 3400ft
Current Conditions at
BUTLER COUNTY - (KBTP)
Mostly Cloudy
as of 2:56 PM EST
Wind Data
Calm
Current Conditions at
STEWART FIELD - (KIDI)
45°
Cloudy
as of 3:35 PM EST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 8 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 15 MPH
110° East
Cloud Level(s): Few at 2800ft, Solid Overcast at 4600ft
80% chance of rain This Afternoon This Afternoon... Rain. High near 50. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
90% chance of rain Tonight Tonight... Rain, mainly before 10pm. Low around 30. West wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
70% chance of snow Sunday Sunday... Snow likely, mainly after 3pm. Mostly cloudy, with a high near 34. Breezy, with a west wind 13 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
30% chance of snow Sunday Night Sunday Night... A chance of snow before 7pm. Mostly cloudy, with a low around 25. West wind 10 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 37. Southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 28.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 45.
30% chance of rain Tuesday Night Tuesday Night... A chance of rain after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
80% chance of rain Wednesday Wednesday... Rain. High near 42. Chance of precipitation is 80%.
50% chance of rain & snow Wednesday Night Wednesday Night... A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
30% chance of snow Thursday Thursday... A chance of snow. Partly sunny, with a high near 26. Chance of precipitation is 30%.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 17.
30% chance of snow Friday Friday... A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Alcoa Center, Pennsylvania
Sunrise: 07:42 AM
Sunset: 5:11 PM
Civil Sunrise:07:11 AM
Civil Sunset: 5:41 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 6:15 PM
Astro Sunrise: 06:04 AM
Astro Sunset: 6:48 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.