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Mammoth, PA Weather Forecast
Mammoth, PA Weather Forecast Date: 803 PM EDT Tue Sep 22 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.
Rest of Tonight... Patchy fog early this evening. Considerable cloudiness with a 20% chance of showers. Near steady temperature in the mid 50s. East winds 15 to 20 mph with gusts up to 30 mph.
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 60s. East winds around 15 mph with gusts up to 25 mph.
Wednesday Night... Mostly cloudy. Lows in the upper 40s. East winds 10 to 15 mph with gusts up to 25 mph.
Thursday... Partly sunny in the morning, then becoming mostly sunny. Highs in the mid 60s. East winds 5 to 10 mph with gusts up to 20 mph.
Thursday Night... Mainly clear. Lows in the lower 40s. Northeast winds 5 to 10 mph.
Friday... Mostly sunny. Highs in the upper 60s.
Friday Night... Mainly clear. Lows in the mid 40s.
Saturday... Mostly sunny. Highs in the upper 60s.
Saturday Night... Mainly clear. Lows in the upper 40s.
Sunday... Mostly sunny. Highs in the upper 60s.
Sunday Night... Partly cloudy. Lows in the upper 40s.
Monday... Partly cloudy. Highs around 70.
Monday Night... Partly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
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