Union Corner, Pennsylvania Weather
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Weather Forecast for Union Corner, Pennsylvania : Northumberland County
Issued: 8:55 am EDT Jun 21, 2025 Latitude: 40.9000863 Longitude: -76.5774554 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
30% chance of thunderstorms on Today Mostly Clear on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday 40% chance of rain on Wednesday 50% chance of rain on Thursday 60% chance of on Friday
High: 87°F Low: 69°F High: 95°F High: 97°F High: 96°F High: 93°F High: 89°F High: 87°F
Low: 74°F Low: 73°F Low: 72°F Low: 70°F Low: 70°F  
Thunderstorms Mostly Clear Sunny Sunny Sunny Rain Rain Partly Sunny
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Current Conditions at
SELINSGROVE - (KSEG)
79°
Clear
as of 9:53 AM EDST
Rel. Humidity: 61%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
WILLIAMSPORT - (KIPT)
73°
Clear
as of 9:54 AM EDST
Rel. Humidity: 73%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MUIR AAF - (KMUI)
81°
Clear
as of 9:55 AM EDST
Rel. Humidity: 61%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
6 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
READING - (KRDG)
81°
Mostly Clear
as of 9:54 AM EDST
Rel. Humidity: 51%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 5500ft
30% chance of thunderstorms Today Today... A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 69. Light south wind.
Sunny on Sunday Sunday... Sunny and hot, with a high near 95. Heat index values as high as 102. West wind 5 to 8 mph, with gusts as high as 21 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.
Sunny on Monday Monday... Sunny and hot, with a high near 97. Calm wind becoming west around 6 mph in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 73.
Sunny on Tuesday Tuesday... Sunny and hot, with a high near 96.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 72.
40% chance of rain Wednesday Wednesday... A chance of showers after 2pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 40%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
50% chance of rain Thursday Thursday... A chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
40% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
60% chance of Friday Friday... Showers likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for Union Corner, Pennsylvania
Sunrise: 05:35 AM
Sunset: 8:42 PM
Civil Sunrise:05:01 AM
Civil Sunset: 9:15 PM
Nautical Sunrise: 04:18 AM
Nautical Sunset: 9:58 PM
Astro Sunrise: 03:27 AM
Astro Sunset: 10:49 PM
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