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Allison Heights, Pennsylvania Weather Forecast
Allison Heights, Pennsylvania Weather
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Weather Forecast for Allison Heights, Pennsylvania : Fayette County
Issued: 5:37 pm EST Jan 13, 2026 Latitude: 39.986186 Longitude: -79.8786581 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday M.L.King Day Tuesday
20% chance of rain on Tonight 90% chance of rain on Wednesday 30% chance of snow on Thursday 50% chance of snow on Friday 70% chance of snow on Saturday 30% chance of snow on Sunday Mostly Cloudy on M.L.King Day Partly Sunny on Tuesday
Low: 41°F High: 46°F High: 23°F High: 34°F High: 36°F High: 23°F High: 26°F High: 20°F
Low: 16°F Low: 12°F Low: 26°F Low: 14°F Low: 11°F Low: 8°F  
Rain Rain Snow Snow Snow Snow Mostly Cloudy Partly Sunny
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Current Conditions at
MORGANTOWN - (KMGW)
52°
Cloudy
as of 5:53 PM EST
Rel. Humidity: 29%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 23 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 9000ft
Current Conditions at
WASHINGTON - (KAFJ)
48°
Feels like 42°F
Cloudy
as of 5:56 PM EST
Rel. Humidity: 39%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.67 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 22 MPH
210° Southwest
Cloud Level(s): Broken at 9000ft, Solid Overcast at 11000ft
Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
48°
Feels like 41°F
Cloudy
as of 5:53 PM EST
Rel. Humidity: 36%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 25 MPH
190° South
Cloud Level(s): Few at 7000ft, Solid Overcast at 8500ft
20% chance of rain Tonight Tonight... A slight chance of rain after 4am. Mostly cloudy, with a low around 41. Southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
90% chance of rain Wednesday Wednesday... Rain, mainly after noon. High near 46. Southwest wind around 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of snow Wednesday Night Wednesday Night... Snow, mainly before 1am. Low around 16. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
30% chance of snow Thursday Thursday... A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 23. West wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 12. West wind 6 to 8 mph becoming southwest after midnight.
50% chance of snow Friday Friday... A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 34. 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 36. 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 14. Chance of precipitation is 30%.
30% chance of snow Sunday Sunday... A chance of snow before 1pm. Partly sunny, with a high near 23. Chance of precipitation is 30%.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 11.
Mostly Cloudy on M.L.King Day M.L.King Day... Mostly cloudy, with a high near 26.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 8.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 20.
Sun Almanac for Allison Heights, Pennsylvania
Sunrise: 07:40 AM
Sunset: 5:17 PM
Civil Sunrise:07:10 AM
Civil Sunset: 5:46 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 6:20 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.