Greenville Weather Forecast

    • 30
    • 51

    Becoming Sunny

    • 34
    • 60

    Sunny

    • 36
    • 66

    Mostly Sunny

    • 38
    • 68

    Mostly Sunny

    • 39
    • 68

    Mostly Sunny

    • 42
    • 69

    Mostly Sunny

Today 17 Oct Mercer

Partly cloudy. Highs in the lower 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Oct Mercer

Clear. Widespread frost after midnight. Lows in the upper 20s. Northwest Winds around 5 Mph, becoming south after midnight.

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Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 6 October, 2026

    37 °F

  • Average October

    58.2 °F

  • Highest 13 October, 2026

    81 °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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