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McGrann, Pennsylvania Weather Forecast
McGrann, Pennsylvania Weather
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Weather Forecast for McGrann, Pennsylvania : Armstrong County
Issued: 6:48 pm EDT Oct 29, 2025 Latitude: 40.7814531 Longitude: -79.5214338 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
100% chance of rain on Tonight 90% chance of rain on Thursday 60% chance of rain on Friday 30% chance of on Saturday 30% chance of on Sunday 30% chance of rain on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday
Low: 44°F High: 58°F High: 53°F High: 55°F High: 55°F High: 58°F High: 58°F High: 58°F
Low: 40°F Low: 37°F Low: 33°F Low: 34°F Low: 37°F Low: 32°F  
Rain Rain Rain Partly Sunny Partly Sunny Rain Mostly Sunny Mostly Sunny
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Current Conditions at
BUTLER COUNTY - (KBTP)
45°
Cloudy
Light Rain
as of 7:56 PM EDST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
8 MPH
040° Northeast
Cloud Level(s): Solid Overcast at 4000ft
Current Conditions at
STEWART FIELD - (KIDI)
46°
Cloudy
as of 8:35 PM EDST
Rel. Humidity: 81%
Dew Point: 41°F
Visibility: 8 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
8 MPH
080° East
Cloud Level(s): Solid Overcast at 4500ft
Current Conditions at
LATROBE - (KLBE)
50°
Feels like 44°F
Cloudy
Light Rain
as of 7:47 PM EDST
Rel. Humidity: 66%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
14 MPH
040° Northeast
Cloud Level(s): Solid Overcast at 3700ft
Current Conditions at
JOHNSTOWN - (KJST)
45°
Feels like 39°F
Cloudy
Light Rain
as of 7:54 PM EDST
Rel. Humidity: 70%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
9 MPH
090° East
Cloud Level(s): Solid Overcast at 3600ft
100% chance of rain Tonight Tonight... Rain. Low around 44. Northeast wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of rain Thursday Thursday... Rain before 2pm, then showers, mainly between 2pm and 5pm. High near 58. Northeast wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
100% chance of rain Thursday Night Thursday Night... Showers, mainly after 8pm. Low around 40. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
60% chance of rain Friday Friday... Showers likely, mainly before 2pm. Mostly cloudy, with a high near 53. West wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
40% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 37. West wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
30% chance of Saturday Saturday... A chance of showers, mainly after 2pm. Partly sunny, with a high near 55. Chance of precipitation is 30%.
30% chance of rain Saturday Night Saturday Night... A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
30% chance of Sunday Sunday... A chance of showers before 8am. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 34.
30% chance of rain Monday Monday... A chance of showers after 2pm. Mostly sunny, with a high near 58. Chance of precipitation is 30%.
30% chance of rain Monday Night Monday Night... A chance of showers. Partly cloudy, with a low around 37. Chance of precipitation is 30%.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 58.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 32.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 58.
Current Radar Image


Sun Almanac for McGrann, Pennsylvania
Sunrise: 07:46 AM
Sunset: 6:18 PM
Civil Sunrise:07:17 AM
Civil Sunset: 6:46 PM
Nautical Sunrise: 06:45 AM
Nautical Sunset: 7:18 PM
Astro Sunrise: 06:13 AM
Astro Sunset: 7:50 PM
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