Greenville Weather Forecast

    • 41
    • 65

    Patchy Fog

    • 35
    • 64

    Mostly Sunny

    • 34
    • 65

    Sunny

    • 39
    • 67

    Mostly Sunny

    • 42
    • 69

    Mostly Cloudy

    • 39
    • 64

    Mostly Cloudy

    • 43
    • 65

    Mostly Cloudy

Today 22 Oct Mercer

Partly cloudy. Highs in the mid 60s.

Tonight 22 Oct Mercer

Mainly clear. Patchy fog after midnight. Lows in the lower 40s. North Winds 5 to 10 Mph this Evening, becoming light and variable.

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Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 18 October, 2026

    34 °F

  • Average October

    56.1 °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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