Greenville Weather Forecast

    • 52
    • 76

    Becoming Sunny

    • 60
    • 81

    Mostly Sunny

    • 67
    • 85

    Mostly Cloudy

    • 71
    • 87

    Mostly Cloudy

    • 71
    • 89

    Chance Rain Showers

    • 68
    • 87

    Chance Rain Showers

Today 28 Aug Mercer

Patchy fog in the morning. Partly cloudy. Highs in the mid 70s. North Winds 5 to 10 Mph.

Tonight 28 Aug Mercer

Mainly clear. Patchy fog after midnight. Lows in the lower 50s. North Winds 5 to 10 Mph, becoming east after midnight.

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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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