Greenville Weather Forecast

    • 67
    • 86

    Chance Thunderstorms

    • 65
    • 84

    Rain Showers Likely

    • 62
    • 82

    Rain Showers

    • 61
    • 82

    Chance Thunderstorms

    • 57
    • 78

    Slight Chance Thunderstorms

    • 54
    • 77

    Partly Sunny

Today 9 Aug Mercer

Mostly sunny. Highs in the mid 80s. West Winds around 5 Mph.

Tonight 9 Aug Mercer

Mainly clear in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 40 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

    70.8 °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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