Loyalhanna, Pennsylvania Weather
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Weather Forecast for Loyalhanna, Pennsylvania : Westmoreland County
Issued: 10:03 am EDT Sep 3, 2025 Latitude: 40.3225698 Longitude: -79.3622586 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on Today Mostly Clear on Tonight 100% chance of thunderstorms on Thursday Mostly Sunny on Friday 50% chance of rain on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 82°F Low: 59°F High: 73°F High: 81°F High: 69°F High: 70°F High: 73°F High: 74°F
Low: 57°F Low: 57°F Low: 48°F Low: 45°F Low: 49°F  
Sunny Mostly Clear Thunderstorms Mostly Sunny Rain Sunny Sunny Mostly Sunny
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Current Conditions at
LATROBE - (KLBE)
66°
Mostly Clear
as of 9:47 AM EDST
Rel. Humidity: 68%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 7500ft
Current Conditions at
STEWART FIELD - (KIDI)
70°
Clear
as of 10:15 AM EDST
Rel. Humidity: 52%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
JOHNSTOWN - (KJST)
63°
Clear
as of 9:54 AM EDST
Rel. Humidity: 59%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
9 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
BUTLER COUNTY - (KBTP)
66°
Clear
as of 9:56 AM EDST
Rel. Humidity: 63%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
8 MPH
180° South
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 59. South wind around 5 mph.
100% chance of thunderstorms Thursday Thursday... Showers likely, then showers and possibly a thunderstorm after 11am. High near 73. Southwest wind 8 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Thursday Night Thursday Night... Showers and possibly a thunderstorm before 8pm, then a chance of showers. Patchy fog after midnight. Low around 57. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 81. Southwest wind 6 to 15 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 69. Chance of precipitation is 50%.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 48.
Sunny on Sunday Sunday... Sunny, with a high near 70.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 45.
Sunny on Monday Monday... Sunny, with a high near 73.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 49.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 74.
Current Radar Image


Sun Almanac for Loyalhanna, Pennsylvania
Sunrise: 06:47 AM
Sunset: 7:46 PM
Civil Sunrise:06:20 AM
Civil Sunset: 8:14 PM
Nautical Sunrise: 05:47 AM
Nautical Sunset: 8:47 PM
Astro Sunrise: 05:12 AM
Astro Sunset: 9:21 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.