Greenville Weather Forecast

    • 60
    • 82

    Mostly Cloudy

    • 56
    • 81

    Slight Chance Thunderstorms

    • 49
    • 73

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

Today 26 May Mercer

Partly sunny and warm. Near steady temperature in the lower 80s. Southwest Winds around 5 Mph.

Tonight 26 May Mercer

Considerable cloudiness. Warm with Lows around 60. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Greenville Temperature Statistics

May Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 2 May, 2026

    33.1 °F

  • Average May

    53.6 °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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