Alcoa Center, Pennsylvania Weather
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Weather Forecast for Alcoa Center, Pennsylvania : Westmoreland County
Issued: 7:02 am EDT Sep 18, 2025 Latitude: 40.5384 Longitude: -79.6450454 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Sunny on Today Morning Fog on Tonight Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 30% chance of rain on Tuesday 30% chance of on Wednesday
High: 83°F Low: 55°F High: 83°F High: 82°F High: 83°F High: 83°F High: 81°F High: 79°F
Low: 57°F Low: 60°F Low: 61°F Low: 61°F Low: 60°F  
Sunny Morning Fog Sunny Mostly Sunny Mostly Sunny Mostly Sunny Rain Partly Sunny
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
59°
Clear
Mist
as of 7:38 AM EDST
Rel. Humidity: 87%
Dew Point: 55°F
Visibility: 4 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LATROBE - (KLBE)
52°
Clear
as of 6:47 AM EDST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
BUTLER COUNTY - (KBTP)
52°
Clear
Mist
as of 6:56 AM EDST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 6 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
STEWART FIELD - (KIDI)
50°
Clear
as of 7:35 AM EDST
Rel. Humidity: 100%
Dew Point: 50°F
Visibility: 9 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.
Morning Fog on Tonight Tonight... Patchy fog after 5am. Otherwise, mostly clear, with a low around 55. Calm wind.
Sunny on Friday Friday... Sunny, with a high near 83. Calm wind becoming northwest around 6 mph in the afternoon.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 57. North wind around 6 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 82. East wind around 7 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 60.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 83.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 61.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 83.
30% chance of rain Monday Night Monday Night... A chance of showers after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
30% chance of rain Tuesday Tuesday... A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
30% chance of rain Tuesday Night Tuesday Night... A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
30% chance of Wednesday Wednesday... A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Alcoa Center, Pennsylvania
Sunrise: 07:03 AM
Sunset: 7:22 PM
Civil Sunrise:06:35 AM
Civil Sunset: 7:50 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 8:22 PM
Astro Sunrise: 05:31 AM
Astro Sunset: 8:54 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.