| NWS Forecast for: Mercer County Issued by: National Weather Service Pittsburgh, PA Last Update: 101 AM EDT Fri Jul 18 2025 |  |
Overnight: Mostly cloudy. Lows in the lower 60s. North winds around 5 mph. Today: Partly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. Northeast winds around 5 mph, becoming northwest around 5 mph in the afternoon. Tonight: Partly cloudy. Patchy fog after midnight. Lows in the lower 60s. East winds around 5 mph. Saturday: Patchy dense fog in the morning. Partly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers in the afternoon. Humid with highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 50 percent. Saturday Night: Showers likely with a chance of thunderstorms. Humid with lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 70 percent. Sunday: Partly sunny in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs around 80. Chance of rain 50 percent. Sunday Night: Mainly clear. Lows in the upper 50s. Monday: Mostly sunny. Highs in the upper 70s. Monday Night: Mainly clear. Lows in the upper 50s. Tuesday: Partly cloudy. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. Tuesday Night: Mostly cloudy in the evening, then becoming partly cloudy. A 30 percent chance of showers. Lows in the mid 60s. Wednesday: Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. Wednesday Night: A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 30 percent. Thursday: Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. Heat index values in the mid 90s in the afternoon. | |
| Zone Forecast: Mercer County | |
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