Greenville Weather Forecast

    • 49
    • 71

    Increasing Clouds

    • 38
    • 62

    Mostly Sunny

    • 44
    • 65

    Mostly Sunny

    • 49
    • 71

    Partly Sunny

    • 47
    • 70

    Partly Sunny

    • 47
    • 69

    Mostly Sunny

Today 4 Oct Mercer

Mostly sunny. Highs around 70. Southeast Winds around 5 Mph, becoming southwest this afternoon.

Tonight 4 Oct Mercer

Mainly clear. Lows in the upper 40s. West Winds 5 to 10 Mph.

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Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 1 October, 2026

    62.1 °F
  • Average October

    69.2 °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

    42.7 °F
  • Average 2021–2026

    50.9 °F
  • Average High 2021–2026

    59.2 °F
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