Greenville Weather Forecast

    • 54
    • 74

    Rain Showers Likely

    • 58
    • 77

    Mostly Cloudy

    • 56
    • 74

    Rain Showers

    • 54
    • 75

    Mostly Sunny

    • 57
    • 77

    Chance Thunderstorms

    • 57
    • 78

    Rain Showers Likely

Today 20 Jun Mercer

Mostly sunny in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 Jun Mercer

Mainly clear. Lows in the lower 50s. West Winds 5 to 10 Mph.

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Greenville Temperature Statistics

June Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 2 June, 2026

    46.9 °F

  • Average June

    67.9 °F

  • Highest 11 June, 2026

    86 °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

    59.2 °F
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