Greenville Weather Forecast

    • 62
    • 82

    Chance Rain Showers

    • 60
    • 81

    Rain Showers Likely

    • 55
    • 80

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 65
    • 84

    Partly Sunny

    • 67
    • 86

    Chance Rain Showers

Today 26 Aug Mercer

Partly cloudy in the Morning, then becoming partly sunny. Areas of fog in the morning. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 26 Aug Mercer

Mainly clear in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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Greenville Temperature Statistics

August Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 4 August, 2026

    53.1 °F

  • Average August

    69.9 °F

  • Highest 6 August, 2026

    82.9 °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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