| NWS Forecast for: Mercer County Issued by: National Weather Service Philadelphia, PA Last Update: 400 PM EDT Thu May 7 2026 |  |
| Tonight: Partly cloudy. Lows in the mid 40s. Northwest winds around 5 mph. Friday: Sunny. Highs in the mid 60s. West winds 5 to 10 mph. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. West winds 5 to 10 mph, becoming south after midnight. Saturday: Showers likely in the morning, then showers in the afternoon. Highs in the upper 60s. South winds 5 to 10 mph. Chance of rain 80 percent. Saturday Night: Partly cloudy. Showers with a chance of thunderstorms in the evening. Lows around 50. Southwest winds 5 to 10 mph. Chance of rain 80 percent. Sunday: Mostly sunny. Warmer with highs in the upper 70s. Sunday Night: Mostly cloudy. A chance of showers in the evening, then showers after midnight. Lows in the upper 40s. Chance of rain 80 percent. Monday: Showers. Much cooler with highs in the lower 60s. Chance of rain 80 percent. Monday Night: Partly cloudy. A chance of showers in the evening. Lows in the lower 40s. Chance of rain 30 percent. Tuesday: Sunny. Highs in the mid 60s. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. Wednesday: Partly sunny with a 50 percent chance of showers. Highs in the mid 60s. Wednesday Night: Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s. Thursday: Partly sunny with a 40 percent chance of showers. Highs in the upper 60s. | |
| Zone Forecast: Mercer County | |
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