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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: 1:54 pm EST Dec 12, 2025 Latitude: 40.5384 Longitude: -79.6450454 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Increasing Clouds on Tonight 80% chance of snow on Saturday 50% chance of snow on Sunday Mostly Cloudy on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday 70% chance of rain on Thursday Partly Sunny on Friday
Low: 18°F High: 33°F High: 19°F High: 21°F High: 31°F High: 41°F High: 49°F High: 38°F
Low: 12°F Low: 13°F Low: 12°F Low: 24°F Low: 34°F Low: 29°F  
Increasing Clouds Snow Snow Mostly Cloudy Mostly Sunny Partly Sunny Rain Partly Sunny
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
27°
Clear
as of 6:53 PM EST
Rel. Humidity: 53%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
LATROBE - (KLBE)
25°
Clear
as of 6:47 PM EST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
6 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
BUTLER COUNTY - (KBTP)
21°
Clear
as of 6:56 PM EST
Rel. Humidity: 85%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
5 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
STEWART FIELD - (KIDI)
19°
Cloudy
as of 7:15 PM EST
Rel. Humidity: 85%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: MVFR
Wind Data
6 MPH
100° East
Cloud Level(s): Broken at 2400ft, Solid Overcast at 3000ft
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 18. Calm wind becoming southwest around 6 mph after midnight.

80% chance of snow Saturday Saturday... Snow, mainly after 4pm. High near 33. Southwest wind 9 to 13 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

100% chance of snow Saturday Night Saturday Night... Snow. The snow could be heavy at times. Low around 12. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

50% chance of snow Sunday Sunday... A chance of snow showers. Mostly cloudy, with a high near 19. Wind chill values as low as -1. West wind 13 to 16 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

60% chance of snow Sunday Night Sunday Night... Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 13. West wind 9 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 21.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 12.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 31.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 24.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 41.

30% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

70% chance of rain Thursday Thursday... Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.

50% chance of rain Thursday Night Thursday Night... A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.

Partly Sunny on Friday Friday... Partly sunny, with a high near 38.

Current Radar Image


Sun Almanac for Alcoa Center, Pennsylvania
Sunrise: 07:33 AM
Sunset: 4:52 PM
Civil Sunrise:07:02 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:28 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:55 AM
Astro Sunset: 6:30 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.