Greenville Weather Forecast

    • 54
    • 70

    Mostly Cloudy

    • 55
    • 77

    Partly Sunny

    • 61
    • 81

    Partly Sunny

    • 62
    • 82

    Rain Showers Likely

    • 57
    • 80

    Partly Sunny

    • 58
    • 79

    Partly Sunny

Today 24 Aug Mercer

Partly sunny. Unseasonably cool with Highs in the upper 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 24 Aug Mercer

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows in the mid 50s. West 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

    70.5 °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

    59.3 °F
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