Greenville Weather Forecast

    • 54
    • 60

    Rain Showers Likely

    • 59
    • 74

    Rain Showers Likely

    • 57
    • 78

    Mostly Cloudy

    • 61
    • 83

    Mostly Cloudy

    • 61
    • 83

    Chance Rain Showers

    • 53
    • 79

    Partly Sunny

Today 23 May Mercer

Considerable cloudiness with a slight chance of Showers and Thunderstorms. Cool. Near steady temperature in the upper 50s. Southeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 23 May Mercer

Showers likely with a slight chance of Thunderstorms. Lows in the lower 50s. Southeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 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

    53.4 °F

  • Highest 18 May, 2026

    86 °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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