Greenville Weather Forecast

    • 59
    • 82

    Becoming Sunny

    • 63
    • 83

    Chance Thunderstorms

    • 66
    • 85

    Rain Showers

    • 61
    • 80

    Rain Showers Likely

    • 58
    • 77

    Slight Chance Thunderstorms

    • 58
    • 80

    Partly Sunny

    • 62
    • 83

    Partly Sunny

Today 25 Jul Mercer

Partly sunny with a 20 percent chance of Showers. Near steady temperature around 80. Southwest Winds 5 to 10 Mph.

Tonight 25 Jul Mercer

Mainly clear. Patchy fog after midnight. Lows in the upper 50s. Northwest Winds around 5 Mph this Evening, becoming light and variable.

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Greenville Temperature Statistics

July Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 23 July, 2026

    50 °F

  • Average July

    73 °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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