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North Irwin, Pennsylvania Weather Forecast
North Irwin, Pennsylvania Weather
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Weather Forecast for North Irwin, Pennsylvania : Westmoreland County
Issued: 5:46 am EST Jan 9, 2026 Latitude: 40.3375693 Longitude: -79.7133775 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
80% chance of rain on Today Morning Fog on Tonight 90% chance of rain on Saturday 70% chance of rain & snow on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday 60% chance of rain on Wednesday 30% chance of snow on Thursday
High: 63°F Low: 38°F High: 51°F High: 35°F High: 37°F High: 44°F High: 43°F High: 34°F
Low: 30°F Low: 24°F Low: 27°F Low: 34°F Low: 25°F  
Rain Morning Fog Rain Rain & Snow Partly Sunny Mostly Sunny Rain Snow
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
55°
Partly Cloudy
as of 6:53 AM EST
Rel. Humidity: 54%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 24 MPH
180° South
Cloud Level(s): Scattered at 10000ft
Current Conditions at
LATROBE - (KLBE)
59°
Clear
as of 6:47 AM EST
Rel. Humidity: 51%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 25 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
PITTSBURGH - (KPIT)
55°
Mostly Cloudy
as of 6:51 AM EST
Rel. Humidity: 50%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 24 MPH
180° South
Cloud Level(s): Broken at 8000ft, Broken at 12000ft
Current Conditions at
BUTLER COUNTY - (KBTP)
Cloudy
as of 6:56 AM EST
Wind Data
Calm
80% chance of rain Today Today... Rain. High near 63. Southwest wind 11 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Morning Fog on Tonight Tonight... Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 38. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
90% chance of rain Saturday Saturday... Rain. High near 51. Light and variable wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
80% chance of rain & snow Saturday Night Saturday Night... Rain before 1am, then a slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Low around 30. West wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
70% chance of rain & snow Sunday Sunday... A chance of rain before 7am, then a chance of rain and snow between 7am and 10am, then snow likely after 10am. Mostly cloudy, with a high near 35. Breezy, with a west wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
30% chance of snow Sunday Night Sunday Night... A chance of snow before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Partly Sunny on Monday Monday... Partly sunny, with a high near 37.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 27.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 44.
30% chance of rain Tuesday Night Tuesday Night... A chance of rain after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
60% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
50% chance of rain & snow Wednesday Night Wednesday Night... A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
30% chance of snow Thursday Thursday... A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for North Irwin, Pennsylvania
Sunrise: 07:41 AM
Sunset: 5:11 PM
Civil Sunrise:07:11 AM
Civil Sunset: 5:41 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 6:15 PM
Astro Sunrise: 06:05 AM
Astro Sunset: 6:48 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.