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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 14, 2026 Latitude: 40.5384 Longitude: -79.6450454 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday M.L.King Day Tuesday Wednesday
100% chance of rain & snow on Tonight 60% chance of snow on Thursday 60% chance of snow on Friday 90% chance of snow on Saturday Partly Sunny on Sunday 40% chance of snow on M.L.King Day Partly Sunny on Tuesday Partly Sunny on Wednesday
Low: 17°F High: 21°F High: 33°F High: 35°F High: 20°F High: 22°F High: 16°F High: 25°F
Low: 14°F Low: 27°F Low: 12°F Low: 10°F Low: 6 °F Low: 7°F  
Rain & Snow Snow Snow Snow Partly Sunny Snow Partly Sunny Partly Sunny
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
39°
Cloudy
Light Rain Mist
as of 5:53 PM EST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 5 Miles
Pressure: 29.41 in.
Flight Rule: IFR
Wind Data
7 MPH
200° South
Cloud Level(s): Broken at 900ft, Solid Overcast at 1400ft
Current Conditions at
STEWART FIELD - (KIDI)
39°
Feels like 33°F
Cloudy
Mist
as of 6:35 PM EST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 4 Miles
Pressure: 29.42 in.
Flight Rule: IFR
Wind Data
9 MPH
220° Southwest
Cloud Level(s): Broken at 600ft, Solid Overcast at 1000ft
100% chance of rain & snow Tonight Tonight... Rain before 8pm, then rain and snow showers between 8pm and 10pm, then snow showers likely after 10pm. Low around 17. Northwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.

60% chance of snow Thursday Thursday... Snow showers likely, mainly before 4pm, then a chance of snow showers or flurries after 5pm. Mostly cloudy, with a high near 21. West wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

20% chance of snow Thursday Night Thursday Night... A chance of flurries before 7pm. Mostly cloudy, with a low around 14. West wind 9 to 15 mph.

60% chance of snow Friday Friday... Snow likely, mainly after 1pm. Mostly cloudy, with a high near 33. South wind 9 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

50% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 27. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

90% chance of snow Saturday Saturday... Snow. High near 35. Chance of precipitation is 90%.

30% chance of snow Saturday Night Saturday Night... A chance of snow before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 20.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 10.

40% chance of snow M.L.King Day M.L.King Day... A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 40%.

30% chance of snow Monday Night Monday Night... A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 16.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 7.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 25.

Current Radar Image


Sun Almanac for Alcoa Center, Pennsylvania
Sunrise: 07:40 AM
Sunset: 5:15 PM
Civil Sunrise:07:10 AM
Civil Sunset: 5:45 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 6:19 PM
Astro Sunrise: 06:04 AM
Astro Sunset: 6:52 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.