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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: 5:41 am EST Dec 12, 2025 Latitude: 40.5384 Longitude: -79.6450454 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Sunny on Today Increasing Clouds on Tonight 80% chance of snow on Saturday 50% chance of snow on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday 70% chance of rain on Thursday
High: 30°F Low: 18°F High: 33°F High: 19°F High: 20°F High: 30°F High: 41°F High: 50°F
Low: 13°F Low: 13°F Low: 12°F Low: 24°F Low: 34°F  
Mostly Sunny Increasing Clouds Snow Snow Mostly Cloudy Partly Sunny Mostly Cloudy Rain
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
21°
Clear
as of 4:53 AM EST
Rel. Humidity: 79%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
8 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
LATROBE - (KLBE)
19°
Clear
as of 5:35 AM EST
Rel. Humidity: 85%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
BUTLER COUNTY - (KBTP)
21°
Cloudy
Light Snow
as of 4:56 AM EST
Rel. Humidity: 92%
Dew Point: 19°F
Visibility: 9 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
6 MPH
270° West
Cloud Level(s): Solid Overcast at 4400ft
Current Conditions at
STEWART FIELD - (KIDI)
19°
Cloudy
as of 5:35 AM EST
Rel. Humidity: 92%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Few at 2700ft, Solid Overcast at 3600ft
Mostly Sunny on Today Today... Mostly sunny, with a high near 30. West wind around 5 mph becoming calm in the morning.

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 showers, mainly after 1pm. High near 33. Southwest wind 9 to 14 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

90% chance of snow Saturday Night Saturday Night... Snow showers. Low around 13. West wind 8 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

50% chance of snow Sunday Sunday... Scattered snow showers. Mostly cloudy, with a high near 19. West wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

40% chance of snow Sunday Night Sunday Night... Scattered snow showers before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 40%.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 20.

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

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 30.

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

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 41.

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

70% chance of rain Thursday Thursday... Showers likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.

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.