| NWS Forecast for: Butler County Issued by: National Weather Service Pittsburgh, PA Last Update: 203 AM EDT Thu Sep 3 2026 | |
Overnight: Mainly clear with a slight chance of showers and thunderstorms. Warm. Near steady temperature in the lower 70s. Southwest winds around 5 mph. Chance of rain 20 percent. Today: Partly sunny with a chance of showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Unseasonably warm. Humid with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 60 percent. Heat index values in the upper 90s in the afternoon. Tonight: Thunderstorms likely in the evening. Mostly cloudy with a chance of showers. Patchy fog after midnight. Warm with lows in the upper 60s. West winds around 5 mph. Chance of rain 60 percent. Friday: Patchy fog in the morning. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. West winds 5 to 10 mph. Chance of rain 90 percent. Friday Night: Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Humid with lows in the lower 60s. North winds around 5 mph. Chance of rain 90 percent. Saturday: Partly sunny. A chance of showers in the morning. Highs in the upper 70s. Chance of rain 40 percent. Saturday Night: Mainly clear. Lows in the mid 50s. Sunday: Mostly sunny. Highs in the upper 70s. Sunday Night: Mainly clear. Lows in the mid 50s. Labor Day: Mostly sunny. Highs in the upper 70s. Monday Night: Partly cloudy. Lows in the upper 50s. Tuesday: Partly cloudy in the morning, then becoming partly sunny. Highs around 80. Tuesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. Wednesday: Partly cloudy. A chance of showers in the afternoon. Warm with highs in the mid 80s. Chance of rain 30 percent. | |
| Zone Forecast: Butler County | |
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