Greenville Weather Forecast

    • 63
    • 83

    Isolated Thunderstorms

    • 66
    • 87

    Rain Showers

    • 62
    • 80

    Rain Showers

    • 59
    • 77

    Slight Chance Thunderstorms

    • 59
    • 78

    Partly Sunny

    • 62
    • 82

    Partly Sunny

Today 26 Jul Mercer

Mostly sunny. Areas of fog this morning. Isolated Showers and Thunderstorms this afternoon. Highs in the lower 80s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 26 Jul Mercer

Mainly clear. Isolated Showers and Thunderstorms in the evening. Humid with Lows in the lower 60s. Northwest Winds around 5 Mph, becoming south after midnight. Chance of rain 20 percent.

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Greenville Temperature Statistics

July Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 23 July, 2026

    50 °F

  • Average July

    72.7 °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

    59.3 °F
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