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McWilliams, Pennsylvania Weather Forecast
McWilliams, Pennsylvania Weather
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Weather Forecast for McWilliams, Pennsylvania : Armstrong County
Issued: 6:58 am EST Dec 16, 2025 Latitude: 40.9658991 Longitude: -79.2519833 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Mostly Sunny on Today Increasing Clouds on Tonight Mostly Cloudy on Wednesday 40% chance of rain on Thursday 60% chance of snow on Friday Mostly Cloudy on Saturday Partly Sunny on Sunday 30% chance of snow on Monday
High: 29°F Low: 24°F High: 37°F High: 47°F High: 31°F High: 39°F High: 37°F High: 33°F
Low: 24°F Low: 24°F Low: 18°F Low: 28°F Low: 23°F  
Mostly Sunny Increasing Clouds Mostly Cloudy Rain Snow Mostly Cloudy Partly Sunny Snow
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Current Conditions at
DUBOIS - (KDUJ)
10°
Clear
as of 8:53 AM EST
Rel. Humidity: 78%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
5 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
STEWART FIELD - (KIDI)
Clear
as of 8:55 AM EST
Rel. Humidity: 84%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
BUTLER COUNTY - (KBTP)
18°
Clear
as of 8:56 AM EST
Rel. Humidity: 72%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
5 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
FRANKLIN - (KFKL)
10°
Clear
as of 8:56 AM EST
Rel. Humidity: 84%
Dew Point: 7°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
7 MPH
180° South
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 29. Southwest wind 5 to 7 mph.

Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 24. Southwest wind 7 to 10 mph, with gusts as high as 24 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 37. Southwest wind 8 to 11 mph, with gusts as high as 25 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 24. Calm wind becoming southeast around 6 mph after midnight.

40% chance of rain Thursday Thursday... A chance of rain after 1pm. Partly sunny, with a high near 47. Southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

100% chance of rain & snow Thursday Night Thursday Night... Rain before 1am, then rain likely, possibly mixed with snow between 1am and 4am, then snow likely after 4am. Low around 24. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

60% chance of snow Friday Friday... Snow likely, mainly before 7am. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 18.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 39.

30% chance of rain Saturday Night Saturday Night... A chance of rain after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 37.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 23.

30% chance of snow Monday Monday... A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.

Current Radar Image


Sun Almanac for McWilliams, Pennsylvania
Sunrise: 07:36 AM
Sunset: 4:50 PM
Civil Sunrise:07:05 AM
Civil Sunset: 5:21 PM
Nautical Sunrise: 06:30 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:57 AM
Astro Sunset: 6:29 PM
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