Greenville Weather Forecast

    • 70
    • 93

    Increasing Clouds

    • 62
    • 86

    Smoke

    • 68
    • 88

    Smoke

    • 65
    • 86

    Rain Showers

    • 59
    • 81

    Partly Sunny

    • 65
    • 84

    Chance Thunderstorms

Today 15 Jul Mercer

Mostly sunny. Highs in the lower 90s. West Winds 5 to 10 Mph. Heat index Values up to 101.

Tonight 15 Jul Mercer

Mainly clear in the Evening, then becoming mostly cloudy. Humid with Lows in the upper 60s. Northwest Winds 5 to 10 Mph in the Evening, becoming light and variable.

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Greenville Temperature Statistics

July Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 12 July, 2026

    61 °F

  • Average July

    75.3 °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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