Greenville Weather Forecast

    • 59
    • 80

    Rain Showers

    • 50
    • 70

    Partly Sunny

    • 52
    • 75

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

    • 62
    • 84

    Partly Sunny

    • 66
    • 86

    Chance Rain Showers

Today 21 Jul Mercer

Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Humid with Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 21 Jul Mercer

Showers with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Humid with Lows around 60. West Winds 5 to 10 Mph. Chance of rain 90 percent.

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Greenville Temperature Statistics

July Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 12 July, 2026

    61 °F

  • Average July

    75.4 °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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