Greenville Weather Forecast

    • 66
    • 87

    Rain Showers Likely

    • 62
    • 78

    Rain Showers Likely

    • 59
    • 75

    Chance Rain Showers

    • 58
    • 79

    Mostly Sunny

    • 62
    • 83

    Mostly Cloudy

    • 63
    • 83

    Chance Rain Showers

Today 27 Jul Mercer

Partly sunny. Isolated Showers and Thunderstorms late this Morning, then scattered Showers and Thunderstorms this afternoon. Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 27 Jul Mercer

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. 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

July Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 23 July, 2026

    50 °F

  • Average July

    72.6 °F

  • Highest 1 July, 2026

    91 °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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