Greenville Weather Forecast

    • 40
    • 65

    Increasing Clouds

    • 33
    • 64

    Mostly Sunny

    • 33
    • 64

    Sunny

    • 39
    • 67

    Partly Sunny

    • 43
    • 68

    Partly Sunny

    • 40
    • 65

    Mostly Cloudy

Today 22 Oct Mercer

Patchy frost in the morning. Mostly sunny. Highs in the mid 60s. North Winds 5 to 10 Mph.

Tonight 22 Oct Mercer

Mainly clear. Lows in the upper 30s. Northeast 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

    56.3 °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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