Greenville Weather Forecast

    • 61
    • 79

    Chance Thunderstorms

    • 58
    • 77

    Slight Chance Rain Showers

    • 57
    • 79

    Mostly Sunny

    • 61
    • 84

    Mostly Cloudy

    • 65
    • 84

    Chance Rain Showers

    • 64
    • 82

    Chance Thunderstorms

Today 28 Jul Mercer

Mostly cloudy with a slight chance of Showers and Thunderstorms Early, then partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 28 Jul Mercer

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows around 60. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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Greenville Temperature Statistics

July Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 23 July, 2026

    50 °F

  • Average July

    72.4 °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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