Greenville Weather Forecast

    • 49
    • 68

    Chance Rain Showers

    • 41
    • 61

    Rain Showers Likely

    • 35
    • 55

    Mostly Sunny

    • 47
    • 60

    Rain Showers Likely

    • 47
    • 64

    Chance Rain Showers

Today 9 May Mercer

Considerable cloudiness this Morning, then becoming partly cloudy. A chance of Showers. A chance of Thunderstorms this afternoon. Highs in the upper 60s. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 9 May Mercer

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the upper 40s. Southwest Winds 5 to 10 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

    48.1 °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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