Greenville Weather Forecast

    • 64
    • 82

    Rain Showers

    • 59
    • 83

    Partly Sunny

    • 61
    • 84

    Mostly Sunny

    • 64
    • 86

    Mostly Sunny

    • 68
    • 89

    Partly Sunny

    • 67
    • 90

    Slight Chance Thunderstorms

Today 10 Jul Mercer

Considerable cloudiness. Scattered Showers and Thunderstorms this Morning, then Showers and numerous Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall. Highs in the lower 80s. West Winds around 5 Mph. Chance of rain 90 percent.

Tonight 10 Jul Mercer

Mostly cloudy. Scattered Showers and Thunderstorms in the evening. Patchy fog after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the lower 60s. North Winds around 5 Mph. Chance of rain 50 percent.

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Greenville Temperature Statistics

July Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 7 July, 2026

    66 °F

  • Average July

    76.9 °F

  • Highest 1 July, 2026

    91 °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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