Greenville Weather Forecast

    • 41
    • 70

    Increasing Clouds

    • 47
    • 66

    Partly Sunny

    • 48
    • 69

    Mostly Cloudy

    • 53
    • 73

    Partly Sunny

    • 44
    • 70

    Mostly Cloudy

    • 49
    • 70

    Mostly Cloudy

    • 53
    • 69

    Chance Rain Showers

Today 26 Oct Mercer

Mostly sunny. Near steady temperature in the upper 60s. West Winds around 5 Mph.

Tonight 26 Oct Mercer

Partly cloudy. Patchy fog after midnight. Lows in the lower 40s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 18 October, 2026

    34 °F

  • Average October

    55 °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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