Greenville Weather Forecast

    • 45
    • 71

    Becoming Sunny

    • 49
    • 73

    Mostly Sunny

    • 39
    • 64

    Partly Sunny

    • 45
    • 65

    Mostly Cloudy

    • 48
    • 68

    Chance Rain

    • 50
    • 66

    Chance Rain

Today 28 Oct Mercer

Partly sunny this Morning, then clearing. Highs around 70. South Winds 5 to 10 Mph.

Tonight 28 Oct Mercer

Mainly clear. Lows in the mid 40s. South Winds around 5 Mph.

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Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 18 October, 2026

    34 °F

  • Average October

    54.9 °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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