Flat Rock, Pennsylvania Weather
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Weather Forecast for Flat Rock, Pennsylvania : Fayette County
Issued: 4:05 pm EDT Sep 4, 2025 Latitude: 39.7697986 Longitude: -79.4767056 View on Google Maps

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This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
90% chance of thunderstorms on This Afternoon 60% chance of thunderstorms on Tonight Mostly Cloudy on Friday 70% chance of thunderstorms on Saturday Mostly Sunny on Sunday Morning Fog on Monday Sunny on Tuesday Sunny on Wednesday
High: 69°F Low: 57°F High: 77°F High: 66°F High: 65°F High: 65°F High: 70°F High: 73°F
Low: 59°F Low: 47°F Low: 42°F Low: 43°F Low: 46°F  
Thunderstorms Thunderstorms Mostly Cloudy Thunderstorms Mostly Sunny Morning Fog Sunny Sunny
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Current Conditions at
MORGANTOWN - (KMGW)
68°
Mostly Cloudy
as of 4:01 PM EDST
Rel. Humidity: 77%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: MVFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Broken at 2100ft, Broken at 3900ft
Current Conditions at
LATROBE - (KLBE)
68°
Mostly Cloudy
as of 3:47 PM EDST
Rel. Humidity: 88%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: MVFR
Wind Data
17 MPH
Gust: 29 MPH
190° South
Cloud Level(s): Scattered at 1500ft, Broken at 2500ft
Current Conditions at
GREATER CUMBERLAND ARPT - (KCBE)
75°
Mostly Cloudy
as of 3:55 PM EDST
Rel. Humidity: 57%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Scattered at 4400ft, Scattered at 7500ft, Broken at 10000ft
Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
66°
Mostly Cloudy
Mist
as of 3:53 PM EDST
Rel. Humidity: 88%
Dew Point: 63°F
Visibility: 5 Miles
Pressure: 29.75 in.
Flight Rule: MVFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Scattered at 2000ft, Broken at 2400ft, Broken at 3100ft
90% chance of thunderstorms This Afternoon This Afternoon... Showers and possibly a thunderstorm. High near 69. Southwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Tonight Tonight... Rain and thunderstorms likely before midnight, then a chance of rain after 3am. Mostly cloudy, with a low around 57. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 77. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
60% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms, then showers likely after 2am. Increasing clouds, with a low around 59. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Saturday Saturday... Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 66. West wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 65.
Morning Fog on Sunday Night Sunday Night... Patchy fog after 1am. Otherwise, mostly clear, with a low around 42.
Morning Fog on Monday Monday... Areas of fog before 9am. Otherwise, sunny, with a high near 65.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 43.
Sunny on Tuesday Tuesday... Sunny, with a high near 70.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 46.
Sunny on Wednesday Wednesday... Sunny, with a high near 73.
Current Radar Image


Sun Almanac for Flat Rock, Pennsylvania
Sunrise: 06:49 AM
Sunset: 7:44 PM
Civil Sunrise:06:22 AM
Civil Sunset: 8:12 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 8:44 PM
Astro Sunrise: 05:15 AM
Astro Sunset: 9:18 PM
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