Greenville Weather Forecast

    • 37
    • 66

    Increasing Clouds

    • 35
    • 66

    Partly Sunny

    • 36
    • 65

    Mostly Sunny

    • 40
    • 66

    Mostly Sunny

    • 36
    • 63

    Mostly Sunny

    • 37
    • 65

    Partly Sunny

Today 19 Oct Mercer

Patchy fog in the morning. Sunny. Highs in the mid 60s. Southeast Winds around 5 Mph, becoming northwest in the afternoon.

Tonight 19 Oct Mercer

Mainly clear. Patchy fog after midnight. Lows in the upper 30s. North Winds around 5 Mph.

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Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 6 October, 2026

    37 °F

  • Average October

    58.2 °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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