Greenville Weather Forecast

    • 64
    • 83

    Thunderstorms

    • 65
    • 86

    Isolated Thunderstorms

    • 67
    • 87

    Rain Showers

    • 64
    • 82

    Rain Showers

    • 62
    • 82

    Chance Thunderstorms

    • 63
    • 84

    Slight Chance Thunderstorms

Today 7 Jul Mercer

Partly sunny. Scattered Showers and Thunderstorms. Highs in the lower 80s. North Winds around 5 Mph. Chance of rain 40 percent.

Tonight 7 Jul Mercer

Partly cloudy. Isolated Showers and Thunderstorms in the evening. Patchy fog after midnight. Humid with Lows in the mid 60s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

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Greenville Temperature Statistics

July Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 4 July, 2026

    66.9 °F

  • Average July

    78.6 °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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