Stewarton, Pennsylvania Weather
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Weather Forecast for Stewarton, Pennsylvania : Fayette County
Issued: 4:02 am EDT Sep 3, 2025 Latitude: 39.9234082 Longitude: -79.4772596 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on Today Mostly Clear on Tonight 90% chance of thunderstorms on Thursday Morning Fog on Friday 50% chance of rain on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 81°F Low: 57°F High: 75°F High: 81°F High: 71°F High: 70°F High: 74°F High: 75°F
Low: 56°F Low: 57°F Low: 47°F Low: 44°F Low: 47°F  
Sunny Mostly Clear Thunderstorms Morning Fog Rain Sunny Sunny Mostly Sunny
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Current Conditions at
LATROBE - (KLBE)
50°
Clear
as of 4:35 AM EDST
Rel. Humidity: 100%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MORGANTOWN - (KMGW)
57°
Mostly Cloudy
as of 3:53 AM EDST
Rel. Humidity: 82%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 9000ft
Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
57°
Clear
as of 3:53 AM EDST
Rel. Humidity: 82%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
7 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
JOHNSTOWN - (KJST)
55°
Clear
as of 3:54 AM EDST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
200° South
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 81. Light southwest wind.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 57. Calm wind.
90% chance of thunderstorms Thursday Thursday... Showers likely, then showers and possibly a thunderstorm after 11am. High near 75. Southwest wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Thursday Night Thursday Night... Showers and thunderstorms before 11pm, then a chance of showers. Patchy fog after 10pm. Low around 56. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Morning Fog on Friday Friday... Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
50% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
50% chance of rain Saturday Saturday... A chance of showers before 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 47.
Sunny on Sunday Sunday... Sunny, with a high near 70.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 44.
Sunny on Monday Monday... Sunny, with a high near 74.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 47.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 75.
Current Radar Image


Sun Almanac for Stewarton, Pennsylvania
Sunrise: 06:48 AM
Sunset: 7:46 PM
Civil Sunrise:06:21 AM
Civil Sunset: 8:14 PM
Nautical Sunrise: 05:48 AM
Nautical Sunset: 8:46 PM
Astro Sunrise: 05:14 AM
Astro Sunset: 9:21 PM
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