Greenville Weather Forecast

    • 56
    • 78

    Rain Showers

    • 55
    • 75

    Mostly Sunny

    • 56
    • 75

    Slight Chance Thunderstorms

    • 58
    • 77

    Rain Showers Likely

    • 56
    • 75

    Chance Thunderstorms

    • 55
    • 77

    Partly Sunny

Today 18 Jun Mercer

Partly sunny with scattered Showers with isolated Thunderstorms in the Morning, then partly cloudy with isolated Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the morning. Highs in the upper 70s. West Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain 50 percent.

Tonight 18 Jun Mercer

Partly cloudy. Lows in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 30 Mph, Diminishing to around 5 Mph after midnight.

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Greenville Temperature Statistics

June Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 2 June, 2026

    46.9 °F

  • Average June

    68.6 °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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