Greenville Weather Forecast

    • 61
    • 79

    Rain Showers

    • 60
    • 75

    Chance Rain Showers

    • 58
    • 78

    Mostly Sunny

    • 61
    • 82

    Partly Sunny

    • 64
    • 83

    Chance Rain Showers

    • 63
    • 83

    Rain Showers Likely

Today 28 Jul Mercer

Considerable cloudiness in the Morning, then becoming partly sunny. A chance of Thunderstorms. Showers, mainly in the morning. Humid with Highs in the upper 70s. West Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph in the afternoon. Chance of rain 90 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

    72.6 °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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