| NWS Forecast for: Mercer County Issued by: National Weather Service Philadelphia, PA Last Update: 426 PM EDT Sun Oct 4 2026 |  |
| Tonight: Mostly cloudy. A chance of showers this evening. Lows in the lower 50s. Northeast winds around 5 mph this evening, becoming light and variable. Chance of rain 50 percent. Monday: Mostly sunny. Warmer with highs in the lower 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Monday Night: Clear. Lows in the mid 40s. Northwest winds 5 to 10 mph. Tuesday: Sunny. Highs in the mid 60s. Northwest winds around 5 mph. Tuesday Night: Clear. Lows around 40. West winds around 5 mph in the evening, becoming light and variable. Wednesday: Sunny. Highs around 70. Wednesday Night: Mostly clear. Not as cool with lows in the lower 50s. Thursday: Sunny. Highs in the mid 70s. Thursday Night: Mostly clear. Lows in the lower 50s. Friday: Sunny. Highs in the lower 70s. Friday Night: Mostly clear. Lows around 50. Saturday: Sunny. Highs in the upper 60s. Saturday Night: Partly cloudy. Lows in the upper 40s. Sunday: Mostly sunny. Highs in the upper 60s. | |
| Zone Forecast: Mercer County | |
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