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Harmony, PA Weather Forecast
Harmony, PA Weather Forecast Date: 502 AM EDT Tue Sep 08 2026
The area/counties/county of: Butler, including the city of Butler.or toggle through each period.
Today... Partly cloudy. Highs in the lower 80s. Southeast winds around 5 mph, becoming southwest this afternoon.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Warm with lows in the mid 60s. South winds around 5 mph.
Wednesday... Partly cloudy. A slight chance of showers in the afternoon. Unseasonably warm. Humid with highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%.
Wednesday Night... A chance of thunderstorms. Showers, warm with lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100%.
Thursday... Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. West winds 5 to 10 mph. Chance of rain near 100%.
Thursday Night... Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 50s. Chance of rain 70%.
Friday... Mostly sunny. Highs in the upper 70s.
Friday Night... Mainly clear. Lows in the mid 50s.
Saturday... Mostly sunny. Highs in the lower 80s.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s.
Sunday... Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40%.
Sunday Night... Mostly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 40%.
POP = Probability of Precipitation
Harmony Radar Loop
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