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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: 5:37 pm EST Jan 13, 2026 Latitude: 40.5384 Longitude: -79.6450454 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday M.L.King Day Tuesday
Mostly Cloudy on Tonight 90% chance of rain & snow on Wednesday 40% chance of snow on Thursday 50% chance of snow on Friday 70% chance of snow on Saturday 30% chance of snow on Sunday 50% chance of snow on M.L.King Day Mostly Cloudy on Tuesday
Low: 40°F High: 44°F High: 21°F High: 32°F High: 34°F High: 21°F High: 24°F High: 18°F
Low: 15°F Low: 11°F Low: 26°F Low: 13°F Low: 11°F Low: 8°F  
Mostly Cloudy Rain & Snow Snow Snow Snow Snow Snow Mostly Cloudy
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
48°
Feels like 42°F
Cloudy
as of 4:53 PM EST
Rel. Humidity: 36%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.66 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 23 MPH
200° South
Cloud Level(s): Solid Overcast at 11000ft
Current Conditions at
BUTLER COUNTY - (KBTP)
Clear
as of 4:56 PM EST
Wind Data
Calm
Current Conditions at
STEWART FIELD - (KIDI)
46°
Feels like 40°F
Cloudy
as of 5:35 PM EST
Rel. Humidity: 42%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.66 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 20 MPH
210° Southwest
Cloud Level(s): Broken at 7000ft, Solid Overcast at 8500ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 40. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.

90% chance of rain & snow Wednesday Wednesday... Rain before 5pm, then rain and snow. High near 44. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

80% chance of snow Wednesday Night Wednesday Night... Snow, mainly before 1am. Low around 15. West wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

40% chance of snow Thursday Thursday... A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 21. Wind chill values as low as zero. West wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 11. West wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

50% chance of snow Friday Friday... A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.

60% chance of snow Friday Night Friday Night... Snow likely, mainly before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.

70% chance of snow Saturday Saturday... Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.

30% chance of snow Saturday Night Saturday Night... A chance of snow before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.

30% chance of snow Sunday Sunday... A chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 30%.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 11.

50% chance of snow M.L.King Day M.L.King Day... A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 50%.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 8.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 18.

Current Radar Image


Sun Almanac for Alcoa Center, Pennsylvania
Sunrise: 07:41 AM
Sunset: 5:14 PM
Civil Sunrise:07:11 AM
Civil Sunset: 5:44 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 6:18 PM
Astro Sunrise: 06:04 AM
Astro Sunset: 6:51 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.