Greenville Weather Forecast

    • 62
    • 80

    Chance Rain Showers

    • 59
    • 81

    Chance Thunderstorms

    • 54
    • 79

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 66
    • 85

    Partly Sunny

    • 69
    • 88

    Chance Rain Showers

Today 26 Aug Mercer

Partly sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 26 Aug Mercer

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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Greenville Temperature Statistics

August Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 4 August, 2026

    53.1 °F

  • Average August

    69.4 °F

  • Highest 6 August, 2026

    82.9 °F

Climate (2021–2026)

Port Meadville Airport (17.4 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.2 °F
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