Greenville Weather Forecast

    • 51
    • 75

    Mostly Sunny

    • 60
    • 80

    Partly Sunny

    • 61
    • 82

    Slight Chance Thunderstorms

    • 63
    • 83

    Chance Thunderstorms

    • 66
    • 86

    Rain Showers Likely

    • 61
    • 81

    Chance Thunderstorms

Today 23 Jul Mercer

Areas of fog in the morning. Mostly sunny. Highs in the mid 70s. Northwest Winds around 5 Mph.

Tonight 23 Jul Mercer

Clear, cool with Lows around 50. Northeast Winds around 5 Mph.

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Greenville Temperature Statistics

July Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 20 July, 2026

    55 °F

  • Average July

    74.5 °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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