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Penn, PA Weather Forecast
Penn, PA Weather Forecast Date: 553 PM EDT Sun Oct 11 2026
The area/counties/county of: Westmoreland, including the cities of: Murrysville, Greensburg, New Kensington, Lower Burrell, Latrobe, and Monessen.or toggle through each period.
Tonight... Mostly cloudy with a 20% chance of showers. Patchy fog after midnight. Mild. Lows in the mid 50s. Northeast winds 10 to 15 mph, becoming north around 5 mph after midnight.
Columbus Day... Considerable cloudiness. Highs around 70. West winds 5 to 10 mph.
Monday Night... Mostly cloudy in the evening, then becoming partly cloudy. Mild. Lows in the upper 50s. Southwest winds 5 to 10 mph.
Tuesday... Mostly sunny. Unseasonably warm with highs around 80. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Night... Mainly clear. Mild. Lows in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Wednesday... Partly cloudy in the morning, then becoming partly sunny. Showers likely in the afternoon. Warm with highs in the mid 70s. Chance of rain 60%.
Wednesday Night... Mostly cloudy with a chance of showers. Mild. Lows in the mid 50s. Chance of rain 50%.
Thursday... Partly sunny. Highs in the upper 60s.
Thursday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Mild. Lows in the mid 50s. Chance of rain 70%.
Friday... Showers likely. Breezy with highs in the upper 60s. Chance of rain 70%.
Friday Night... Mostly cloudy with a 50% chance of showers. Breezy and much colder with lows in the upper 30s.
Saturday... Mostly cloudy in the morning, then becoming partly sunny. A 40% chance of showers. Breezy and much colder with highs in the upper 40s.
Saturday Night... Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the lower 30s.
POP = Probability of Precipitation
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