Greenville Weather Forecast

    • 34
    • 62

    Increasing Clouds

    • 44
    • 61

    Mostly Cloudy

    • 47
    • 67

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

    • 51
    • 70

    Mostly Cloudy

    • 52
    • 70

    Rain Showers Likely

Today 30 Oct Mercer

Partly cloudy. Highs in the lower 60s. Temperatures falling into the upper 50s this afternoon. Northwest Winds 5 to 10 Mph.

Tonight 30 Oct Mercer

Partly cloudy. Patchy fog after midnight. Lows in the mid 30s. North 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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