Greenville Weather Forecast

    • 43
    • 67

    Mostly Sunny

    • 47
    • 69

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 51
    • 68

    Partly Sunny

    • 50
    • 68

    Partly Sunny

    • 54
    • 71

    Partly Sunny

Today 24 Sep Mercer

Partly cloudy this Morning, then clearing. Highs in the upper 60s. East Winds 5 to 10 Mph.

Tonight 24 Sep Mercer

Clear. Lows in the lower 40s. Northeast Winds around 5 Mph.

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Greenville Temperature Statistics

September Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 22 September, 2026

    51.1 °F

  • Average September

    66.8 °F

  • Highest 2 September, 2026

    87.1 °F

Climate (2021–2026)

Port Meadville Airport (17.4 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.2 °F
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