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Old Furnace, Pennsylvania Weather Forecast
Old Furnace, Pennsylvania Weather
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Weather Forecast for Old Furnace, Pennsylvania : Union County
Issued: 7:06 pm EST Jan 22, 2026 Latitude: 41.0739717 Longitude: -76.9349652 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Clear on Tonight Mostly Sunny on Friday Partly Sunny on Saturday 100% chance of snow on Sunday 40% chance of snow on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Partly Sunny on Thursday
Low: 21°F High: 28°F High: 16°F High: 18°F High: 22°F High: 18°F High: 22°F High: 19°F
Low: 5 °F Low: 11°F Low: 15°F Low: 1°F Low: 3°F Low: 6°F  
Mostly Clear Mostly Sunny Partly Sunny Snow Snow Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
WILLIAMSPORT - (KIPT)
30°
Feels like 20°F
Clear
as of 9:54 PM EST
Rel. Humidity: 39%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 24 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
SELINSGROVE - (KSEG)
30°
Clear
as of 9:53 PM EST
Rel. Humidity: 36%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
5 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
MUIR AAF - (KMUI)
34°
Clear
as of 9:55 PM EST
Rel. Humidity: 26%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
8 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
UNIVERSITY PARK - (KUNV)
27°
Feels like 13°F
Clear
as of 10:35 PM EST
Rel. Humidity: 38%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 25 MPH
250° West
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 21. Southwest wind around 6 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 28. Southwest wind 7 to 14 mph, with gusts as high as 29 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 5. Wind chill values as low as -10. Northwest wind 8 to 14 mph, with gusts as high as 26 mph.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 16. Wind chill values as low as -5. North wind 5 to 7 mph.
80% chance of snow Saturday Night Saturday Night... Snow, mainly after 1am. Low around 11. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
100% chance of snow Sunday Sunday... Snow. The snow could be heavy at times. High near 18. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
90% chance of snow Sunday Night Sunday Night... Snow. The snow could be heavy at times. Low around 15. Chance of precipitation is 90%.
40% chance of snow Monday Monday... A chance of snow before 1pm. Mostly cloudy, with a high near 22. Chance of precipitation is 40%.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 1.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 18.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 3.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 22.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 6.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 19.
Current Radar Image


Sun Almanac for Old Furnace, Pennsylvania
Sunrise: 07:27 AM
Sunset: 5:12 PM
Civil Sunrise:06:57 AM
Civil Sunset: 5:42 PM
Nautical Sunrise: 06:23 AM
Nautical Sunset: 6:15 PM
Astro Sunrise: 05:51 AM
Astro Sunset: 6:48 PM
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