Greenville Weather Forecast

    • 67
    • 83

    Rain Showers

    • 71
    • 87

    Mostly Cloudy

    • 71
    • 90

    Rain Showers

    • 70
    • 91

    Rain Showers Likely

    • 65
    • 86

    Chance Thunderstorms

    • 61
    • 81

    Slight Chance Rain Showers

Today 30 Aug Mercer

Mostly cloudy. Highs in the lower 80s. South Winds around 5 Mph, becoming west this afternoon.

Tonight 30 Aug Mercer

Considerable cloudiness with isolated Thunderstorms. Scattered Showers, mainly in the evening. Humid with Lows in the mid 60s. North Winds around 5 Mph, becoming southeast after midnight. Chance of rain 40 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 °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

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.2 °F
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