Greenville Weather Forecast

    • 46
    • 73

    Chance Rain Showers

    • 36
    • 62

    Partly Sunny

    • 44
    • 62

    Mostly Cloudy

    • 45
    • 67

    Mostly Cloudy

    • 49
    • 66

    Slight Chance Rain Showers

    • 51
    • 69

    Chance Rain Showers

Today 29 Oct Mercer

Sunny. Highs in the lower 70s. South Winds 5 to 10 Mph.

Tonight 29 Oct Mercer

Partly cloudy in the Evening, then becoming mostly cloudy. A 40 percent chance of Showers. Lows in the upper 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest after midnight.

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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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