Greenville Weather Forecast

    • 42
    • 57

    Rain Showers

    • 40
    • 51

    Rain Showers

    • 37
    • 51

    Rain Showers Likely

    • 35
    • 50

    Chance Rain Showers

    • 34
    • 49

    Rain Showers Likely

    • 38
    • 53

    Rain Showers Likely

Today 29 Oct Mercer

Sunny in the Morning, then becoming partly sunny. Widespread frost in the morning. Highs in the mid 50s. East Winds 5 to 10 Mph.

Tonight 29 Oct Mercer

Showers. Lows in the lower 40s. East Winds 10 to 15 Mph. Chance of rain near 100 percent.

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Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 26 October, 2025

    34 °F

  • Average October

    54.2 °F

  • Highest 4 October, 2025

    81 °F

Climate (2020–Present)

Port Meadville Airport (17.4 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    59.3 °F
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