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Williams, Pennsylvania Weather Forecast
Williams, Pennsylvania Weather
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Weather Forecast for Williams, Pennsylvania : Somerset County
Issued: 12:56 pm EST Dec 7, 2025 Latitude: 39.8306394 Longitude: -78.7705749 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Sunny on This Afternoon Mostly Cloudy on Tonight Partly Sunny on Monday Partly Sunny on Tuesday 50% chance of rain on Wednesday Mostly Cloudy on Thursday 30% chance of snow on Friday Partly Sunny on Saturday
High: 37°F Low: 18°F High: 25°F High: 34°F High: 44°F High: 33°F High: 29°F High: 21°F
Low: 13°F Low: 29°F Low: 28°F Low: 21°F Low: 13°F  
Mostly Sunny Mostly Cloudy Partly Sunny Partly Sunny Rain Mostly Cloudy Snow Partly Sunny
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Current Conditions at
GREATER CUMBERLAND ARPT - (KCBE)
43°
Cloudy
as of 12:35 PM EST
Rel. Humidity: 52%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 4100ft
Current Conditions at
ALTOONA - (KAOO)
34°
Feels like 26°F
Cloudy
as of 12:38 PM EST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: MVFR
Wind Data
9 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 3000ft
Mostly Sunny on This Afternoon This Afternoon... Cloudy, then gradually becoming mostly sunny, with a high near 37. West wind around 6 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 18. Calm wind becoming north 5 to 7 mph in the evening.
Partly Sunny on Monday Monday... Partly sunny, with a high near 25. Northeast wind around 6 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 13. Calm wind.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 34. Calm wind becoming south 5 to 8 mph in the morning.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29.
50% chance of rain Wednesday Wednesday... A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.
40% chance of rain & snow Wednesday Night Wednesday Night... A chance of rain and snow before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 33.
40% chance of snow Thursday Night Thursday Night... A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
30% chance of snow Friday Friday... A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 30%.
30% chance of snow Friday Night Friday Night... A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 21.
Sun Almanac for Williams, Pennsylvania
Sunrise: 07:23 AM
Sunset: 4:50 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:27 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.