Greenville Weather Forecast

    • 67
    • 83

    Rain Showers

    • 65
    • 84

    Thunderstorms

    • 66
    • 85

    Chance Thunderstorms

    • 67
    • 85

    Rain Showers

    • 64
    • 82

    Rain Showers Likely

    • 61
    • 81

    Chance Thunderstorms

Today 7 Aug Mercer

Patchy fog in the morning. Numerous Showers. Isolated Thunderstorms in the Morning, then scattered Thunderstorms in the afternoon. Humid with Highs in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 7 Aug Mercer

Numerous Showers and scattered Thunderstorms. Humid with Lows in the mid 60s. South Winds 5 to 10 Mph. 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

    69.8 °F

  • Highest 4 August, 2026

    82 °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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