Greenville Weather Forecast

    • 58
    • 79

    Decreasing Clouds

    • 61
    • 80

    Partly Sunny

    • 58
    • 78

    Rain Showers Likely

    • 55
    • 77

    Partly Sunny

    • 57
    • 79

    Partly Sunny

    • 59
    • 80

    Chance Rain Showers

Today 17 Aug Mercer

Mostly cloudy with isolated Showers this Morning, then partly cloudy this afternoon. Highs in the upper 70s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 17 Aug Mercer

Mainly clear. Patchy fog after midnight. Lows in the upper 50s. Northwest Winds 5 to 10 Mph.

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Greenville Temperature Statistics

August Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 4 August, 2026

    53.1 °F

  • Average August

    71.1 °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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