Williamsport, Pennsylvania Weather
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Weather Forecast for Williamsport, Pennsylvania : Lycoming County
Issued: 8:05 am EDT Oct 19, 2025 Latitude: 41.2411897 Longitude: -77.0010787 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Partly Sunny on Today 100% chance of rain on Tonight 80% chance of rain on Monday 20% chance of rain on Tuesday 30% chance of on Wednesday 40% chance of on Thursday Mostly Sunny on Friday Partly Sunny on Saturday
High: 75°F Low: 50°F High: 62°F High: 66°F High: 57°F High: 56°F High: 58°F High: 57°F
Low: 40°F Low: 43°F Low: 41°F Low: 38°F Low: 36°F  
Partly Sunny Rain Rain Rain Partly Sunny Partly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
WILLIAMSPORT - (KIPT)
63°
Mostly Cloudy
as of 11:12 AM EDST
Rel. Humidity: 67%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: MVFR
Wind Data
13 MPH
Gust: 18 MPH
120° Southeast
Cloud Level(s): Broken at 2300ft
Current Conditions at
SELINSGROVE - (KSEG)
61°
Mostly Cloudy
as of 10:53 AM EDST
Rel. Humidity: 77%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: MVFR
Wind Data
8 MPH
160° South
Cloud Level(s): Broken at 1900ft, Broken at 5000ft
Current Conditions at
UNIVERSITY PARK - (KUNV)
63°
Partly Cloudy
as of 10:53 AM EDST
Rel. Humidity: 72%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Scattered at 2600ft, Scattered at 3100ft
Current Conditions at
CLEARFIELD - (KFIG)
66°
Clear
as of 10:54 AM EDST
Rel. Humidity: 63%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Partly Sunny on Today Today... Partly sunny, with a high near 75. Breezy, with a south wind 15 to 22 mph, with gusts as high as 36 mph.
100% chance of rain Tonight Tonight... Showers. Low around 50. Breezy, with a south wind 17 to 22 mph becoming south 9 to 14 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
80% chance of rain Monday Monday... Showers, mainly before 2pm. High near 62. West wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 40. West wind 5 to 10 mph, with gusts as high as 20 mph.
20% chance of rain Tuesday Tuesday... A slight chance of showers after 2pm. Mostly sunny, with a high near 66. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
50% chance of rain Tuesday Night Tuesday Night... A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
30% chance of Wednesday Wednesday... A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 41.
40% chance of Thursday Thursday... A chance of showers after 8am. Partly sunny, with a high near 56. Chance of precipitation is 40%.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 38.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 58.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 36.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 57.
Current Radar Image


Sun Almanac for Williamsport, Pennsylvania
Sunrise: 07:25 AM
Sunset: 6:21 PM
Civil Sunrise:06:57 AM
Civil Sunset: 6:49 PM
Nautical Sunrise: 06:25 AM
Nautical Sunset: 7:21 PM
Astro Sunrise: 05:53 AM
Astro Sunset: 7:53 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.