Greenville Weather Forecast

    • 59
    • 81

    Isolated Thunderstorms

    • 55
    • 79

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 66
    • 84

    Partly Sunny

    • 70
    • 87

    Slight Chance Thunderstorms

    • 70
    • 89

    Chance Rain Showers

Today 27 Aug Mercer

Partly sunny in the Morning, then becoming partly cloudy. Isolated Showers and Thunderstorms. Highs around 80. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 27 Aug Mercer

Mainly clear. Areas of fog after midnight. Lows in the upper 50s. Northwest Winds 5 to 10 Mph in the Evening, becoming light and variable.

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Greenville Temperature Statistics

August Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 4 August, 2026

    53.1 °F

  • Average August

    69.4 °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

    59.2 °F
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