| NWS Forecast for: Mercer County Issued by: National Weather Service Pittsburgh, PA Last Update: 223 PM EDT Tue Jun 9 2026 |  |
| This Afternoon: Considerable cloudiness with a chance of showers and thunderstorms. Near steady temperature in the lower 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. Tonight: Showers likely with a chance of thunderstorms. Humid with lows in the upper 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent. Wednesday: Considerable cloudiness in the morning, then becoming partly sunny. A chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Wednesday Night: A chance of thunderstorms. Showers likely, mainly in the evening. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Thursday: Showers. A chance of thunderstorms in the afternoon. Very warm. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent. Heat index values in the mid 90s in the afternoon. Thursday Night: Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Warm with lows around 70. Chance of rain 80 percent. Friday: Showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 90 percent. Friday Night: Mainly clear. Showers with a chance of thunderstorms in the evening. Lows in the upper 50s. Chance of rain 90 percent. Saturday: Sunny. Highs in the lower 80s. Saturday Night: Mainly clear. Lows in the upper 50s. Sunday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. Sunday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 40 percent. Monday: Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. | |
| Zone Forecast: Mercer County | |
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