Greenville Weather Forecast

    • 60
    • 74

    Slight Chance Thunderstorms

    • 63
    • 81

    Slight Chance Rain Showers

    • 53
    • 72

    Rain Showers Likely

    • 55
    • 68

    Rain Showers

    • 35
    • 64

    Chance Rain/Snow

    • 31
    • 49

    Mostly Sunny

Today 12 Oct Mercer

Considerable cloudiness this Morning, then becoming partly sunny. Warm with Highs in the lower 70s. West Winds 5 to 10 Mph.

Tonight 12 Oct Mercer

Partly cloudy in the Evening, then becoming mostly cloudy. Mild. Lows in the upper 50s. South Winds 5 to 10 Mph.

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Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 6 October, 2026

    37 °F

  • Average October

    56.6 °F

  • Highest 1 October, 2026

    80.1 °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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