Greenville Weather Forecast

    • 63
    • 80

    Thunderstorms Likely

    • 63
    • 83

    Chance Thunderstorms

    • 61
    • 82

    Chance Rain Showers

    • 53
    • 79

    Partly Sunny

    • 58
    • 78

    Chance Rain Showers

    • 64
    • 81

    Rain Showers Likely

Today 11 Aug Mercer

Cloudy. Showers and Thunderstorms likely. Highs around 80. Southwest Winds around 5 Mph. Chance of rain 60 percent.

Tonight 11 Aug Mercer

Considerable cloudiness. Numerous Showers and Thunderstorms in the Evening, then scattered Showers after midnight. Patchy fog. Some Thunderstorms may produce heavy rainfall in the evening. Locally heavy rainfall possible in the evening. Humid with Lows in the lower 60s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 70 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

    71.3 °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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