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Williamsville, Pennsylvania Weather Forecast
Williamsville, Pennsylvania Weather
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Weather Forecast for Williamsville, Pennsylvania : McKean County
Issued: 7:06 pm EST Jan 22, 2026 Latitude: 41.6295068 Longitude: -78.5750231 View on Google Maps

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Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on Overnight Mostly Cloudy on Friday Partly Sunny on Saturday 100% chance of snow on Sunday 50% chance of snow on Monday Partly Sunny on Tuesday 30% chance of snow on Wednesday 30% chance of snow on Thursday
Low: 7 °F High: 13 °F High: 10°F High: 15°F High: 15°F High: 12°F High: 17°F High: 13°F
Low: -6°F Low: 4 °F Low: 8 °F Low: -5°F Low: 2°F Low: 1 °F  
Mostly Cloudy Mostly Cloudy Partly Sunny Snow Snow Partly Sunny Snow Snow
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Current Conditions at
BRADFORD - (KBFD)
18°
Mostly Clear
as of 11:53 PM EST
Rel. Humidity: 61%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
3 MPH
240° Southwest
Cloud Level(s): Few at 4100ft
Current Conditions at
DUBOIS - (KDUJ)
18°
Feels like 4°F
Clear
as of 11:53 PM EST
Rel. Humidity: 61%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
12 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
CLEARFIELD - (KFIG)
21°
Clear
as of 11:54 PM EST
Rel. Humidity: 53%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
8 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
WELLSVILLE MUNI - (KELZ)
16°
Clear
as of 11:56 PM EST
Rel. Humidity: 66%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
6 MPH
250° West
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 7. Wind chill values as low as zero. West wind around 10 mph, with gusts as high as 25 mph.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a temperature rising to near 13 by 11am, then falling to around 2 during the remainder of the day. Wind chill values as low as -15. West wind 11 to 14 mph, with gusts as high as 29 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -6. Wind chill values as low as -15. West wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 21 mph.
Partly Sunny on Saturday Saturday... Partly sunny and cold, with a high near 10. Wind chill values as low as -5. Calm wind.
80% chance of snow Saturday Night Saturday Night... Snow, mainly after 1am. Low around 4. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
100% chance of snow Sunday Sunday... Snow. The snow could be heavy at times. High near 15. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
90% chance of snow Sunday Night Sunday Night... Snow. The snow could be heavy at times. Low around 8. Chance of precipitation is 90%.
50% chance of snow Monday Monday... A chance of snow. Mostly cloudy, with a high near 15. Chance of precipitation is 50%.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around -5.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 12.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 2.
30% chance of snow Wednesday Wednesday... A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
30% chance of snow Wednesday Night Wednesday Night... A chance of snow. Mostly cloudy, with a low around 1. Chance of precipitation is 30%.
30% chance of snow Thursday Thursday... A chance of snow. Mostly cloudy, with a high near 13. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Williamsville, Pennsylvania
Sunrise: 07:34 AM
Sunset: 5:19 PM
Civil Sunrise:07:04 AM
Civil Sunset: 5:49 PM
Nautical Sunrise: 06:30 AM
Nautical Sunset: 6:22 PM
Astro Sunrise: 05:57 AM
Astro Sunset: 6:55 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.