Greenville Weather Forecast

    • 72
    • 84

    Rain Showers

    • 72
    • 89

    Rain Showers

    • 71
    • 92

    Rain Showers Likely

    • 65
    • 86

    Chance Thunderstorms

    • 61
    • 81

    Partly Sunny

    • 59
    • 79

    Mostly Sunny

Today 31 Aug Mercer

Mostly cloudy with scattered Showers. Isolated Thunderstorms this afternoon. Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 31 Aug Mercer

Mostly cloudy. Isolated Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. 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

    68.9 °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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