Northumberland, Pennsylvania Weather
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Weather Forecast for Northumberland, Pennsylvania : Northumberland County
Issued: 2:14 pm EDT Aug 6, 2025 Latitude: 40.891752 Longitude: -76.7974654 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Cloudy on Overnight Sunny on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday 40% chance of rain on Wednesday
Low: 62°F High: 84°F High: 84°F High: 86°F High: 89°F High: 91°F High: 92°F High: 91°F
Low: 61°F Low: 59°F Low: 61°F Low: 64°F Low: 68°F Low: 70°F  
Cloudy Sunny Sunny Sunny Sunny Sunny Mostly Sunny Rain
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Current Conditions at
SELINSGROVE - (KSEG)
63°
Clear
Mist
as of 12:53 AM EDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 3 Miles
Pressure: 30.38 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
WILLIAMSPORT - (KIPT)
64°
Clear
Mist
as of 12:54 AM EDST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 6 Miles
Pressure: 30.37 in.
Flight Rule: VFR
Wind Data
3 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
MUIR AAF - (KMUI)
68°
Cloudy
as of 12:55 AM EDST
Rel. Humidity: 100%
Dew Point: 68°F
Visibility: 9 Miles
Pressure: 30.36 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
UNIVERSITY PARK - (KUNV)
68°
Cloudy
as of 1:15 AM EDST
Rel. Humidity: 72%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
3 MPH
140° Southeast
Cloud Level(s): Scattered at 2800ft, Solid Overcast at 8000ft
Cloudy on Overnight Overnight... Widespread haze. Partly cloudy, with a low around 62. Calm wind.
Sunny on Thursday Thursday... Widespread haze. Sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 61. Calm wind.
Sunny on Friday Friday... Sunny, with a high near 84. Light southeast wind.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 59. Calm wind.
Sunny on Saturday Saturday... Sunny, with a high near 86.
Clear on Saturday Night Saturday Night... Clear, with a low around 61.
Sunny on Sunday Sunday... Sunny, with a high near 89.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 64.
Sunny on Monday Monday... Sunny, with a high near 91.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 68.
Mostly Sunny on Tuesday Tuesday... Mostly sunny and hot, with a high near 92.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 70.
40% chance of rain Wednesday Wednesday... A chance of showers. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Current Radar Image


Sun Almanac for Northumberland, Pennsylvania
Sunrise: 06:10 AM
Sunset: 8:16 PM
Civil Sunrise:05:40 AM
Civil Sunset: 8:46 PM
Nautical Sunrise: 05:03 AM
Nautical Sunset: 9:23 PM
Astro Sunrise: 04:22 AM
Astro Sunset: 10:03 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.