Greenville Weather Forecast

    • 60
    • 77

    Rain Showers

    • 64
    • 80

    Chance Rain Showers

    • 69
    • 88

    Mostly Sunny

    • 66
    • 87

    Rain Showers Likely

    • 48
    • 77

    Chance Rain Showers

    • 48
    • 65

    Partly Sunny

Today 16 May Mercer

Partly sunny Early, then mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 16 May Mercer

Considerable cloudiness. Showers with a chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Warm with Lows around 60. Southwest Winds 5 to 10 Mph. Chance of rain 90 percent.

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Greenville Temperature Statistics

May Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 2 May, 2026

    33.1 °F
  • Average May

    48.7 °F
  • Highest 4 May, 2026

    71.1 °F

Climate (2021–Present)

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

    59.2 °F
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