Greenville Weather Forecast

    • 45
    • 71

    Mostly Sunny

    • 47
    • 73

    Chance Rain Showers

    • 36
    • 63

    Partly Sunny

    • 45
    • 63

    Mostly Cloudy

    • 45
    • 68

    Mostly Cloudy

    • 48
    • 68

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

Today 28 Oct Mercer

Partly sunny with a 40 percent chance of Showers. Highs in the upper 60s.

Tonight 28 Oct Mercer

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

    54.8 °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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