Greenville Weather Forecast

    • 60
    • 81

    Chance Thunderstorms

    • 54
    • 78

    Partly Sunny

    • 60
    • 81

    Partly Sunny

    • 67
    • 85

    Mostly Cloudy

    • 70
    • 87

    Chance Rain Showers

    • 70
    • 89

    Chance Rain Showers

Today 27 Aug Mercer

Partly cloudy with a chance of Showers and Thunderstorms. Highs around 80. West Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 27 Aug Mercer

Mainly clear. A slight chance of Showers and Thunderstorms in the evening. Patchy fog. Lows around 60. Northwest Winds 5 to 10 Mph in the Evening, becoming light and variable. Chance of rain 20 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

    69.2 °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

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.2 °F
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