Greenville Weather Forecast

    • 41
    • 69

    Increasing Clouds

    • 45
    • 66

    Partly Sunny

    • 46
    • 70

    Mostly Cloudy

    • 52
    • 72

    Partly Sunny

    • 46
    • 70

    Partly Sunny

    • 50
    • 69

    Mostly Cloudy

Today 26 Oct Mercer

Patchy fog in the morning. Mostly sunny. Highs in the upper 60s. Southwest Winds around 5 Mph, becoming west around 5 Mph in the afternoon.

Tonight 26 Oct Mercer

Partly cloudy. Patchy fog after midnight. Lows in the lower 40s. North 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

    55.2 °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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