Greenville Weather Forecast

    • 54
    • 72

    Mostly Cloudy

    • 57
    • 63

    Rain Showers

    • 60
    • 73

    Mostly Cloudy

    • 51
    • 73

    Rain Showers Likely

    • 45
    • 65

    Slight Chance Rain Showers

    • 49
    • 66

    Chance Rain Showers

Today 10 Oct Mercer

Partly sunny. Highs in the lower 70s. Southeast Winds 5 to 10 Mph.

Tonight 10 Oct Mercer

Mostly cloudy. Showers after midnight. Mild. Lows in the mid 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

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Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 6 October, 2026

    37 °F

  • Average October

    56.9 °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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