Greenville Weather Forecast

    • 48
    • 71

    Slight Chance Rain Showers

    • 57
    • 69

    Rain Showers

    • 35
    • 65

    Rain Showers

    • 32
    • 51

    Mostly Sunny

    • 37
    • 62

    Mostly Sunny

    • 42
    • 65

    Mostly Cloudy

Today 14 Oct Mercer

Mostly cloudy. Scattered Thunderstorms with a chance of Showers this morning. Highs in the lower 70s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 14 Oct Mercer

Mostly cloudy. Lows in the upper 40s. North Winds 5 to 10 Mph.

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Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 6 October, 2026

    37 °F

  • Average October

    57.1 °F

  • Highest 1 October, 2026

    80.1 °F

Climate (2021–2026)

Port Meadville Airport (17.4 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.2 °F
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