Greenville Weather Forecast

    • 47
    • 69

    Increasing Clouds

    • 55
    • 73

    Mostly Cloudy

    • 58
    • 66

    Rain Showers

    • 58
    • 71

    Chance Rain Showers

    • 50
    • 71

    Chance Rain Showers

    • 47
    • 66

    Partly Sunny

Today 9 Oct Mercer

Mostly sunny. Highs in the upper 60s. West Winds 5 to 10 Mph.

Tonight 9 Oct Mercer

Mainly clear in the Evening, then becoming mostly cloudy. Lows in the mid 40s. Northeast Winds around 5 Mph, becoming east around 5 Mph 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

    56.8 °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

    50.9 °F

  • Average High 2021–2026

    59.2 °F
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