Greenville Weather Forecast

    • 45
    • 74

    Chance Rain Showers

    • 35
    • 62

    Increasing Clouds

    • 44
    • 62

    Mostly Cloudy

    • 47
    • 68

    Mostly Cloudy

    • 49
    • 68

    Mostly Cloudy

    • 52
    • 70

    Mostly Cloudy

    • 53
    • 71

    Rain Showers Likely

Today 29 Oct Mercer

Showers likely. Highs in the upper 60s. Chance of rain 70 percent.

Tonight 29 Oct Mercer

Mostly cloudy. A slight chance of Showers late this Evening, then a chance of Showers. Lows in the mid 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west. Chance of rain 40 percent.

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Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 18 October, 2026

    34 °F

  • Average October

    54.7 °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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