Greenville Weather Forecast

    • 54
    • 77

    Chance Rain Showers

    • 55
    • 74

    Partly Sunny

    • 55
    • 74

    Chance Thunderstorms

    • 57
    • 77

    Rain Showers

    • 56
    • 74

    Chance Thunderstorms

    • 55
    • 75

    Mostly Sunny

Today 18 Jun Mercer

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Highs in the mid 70s. West Winds around 20 Mph with Gusts up to 35 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

    68.2 °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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