Greenville Weather Forecast

    • 65
    • 87

    Increasing Clouds

    • 65
    • 85

    Mostly Cloudy

    • 63
    • 80

    Rain Showers

    • 59
    • 80

    Slight Chance Rain Showers

    • 64
    • 84

    Chance Rain Showers

    • 65
    • 86

    Chance Thunderstorms

Today 31 Jul Mercer

Mostly sunny. Highs in the mid 80s. Southwest Winds around 5 Mph, becoming northwest around 5 Mph in the afternoon.

Tonight 31 Jul Mercer

Mostly cloudy. Lows in the mid 60s. Northeast Winds around 5 Mph, becoming southeast after midnight.

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Greenville Temperature Statistics

July Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 23 July, 2026

    50 °F

  • Average July

    72.4 °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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