Greenville Weather Forecast

    • 61
    • 81

    Mostly Cloudy

    • 67
    • 84

    Slight Chance Thunderstorms

    • 72
    • 88

    Mostly Cloudy

    • 72
    • 91

    Slight Chance Thunderstorms

    • 71
    • 92

    Chance Rain Showers

    • 65
    • 86

    Chance Rain Showers

    • 63
    • 81

    Slight Chance Rain Showers

Today 29 Aug Mercer

Mostly sunny. Near steady temperature in the upper 70s. South Winds around 5 Mph.

Tonight 29 Aug Mercer

Mostly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.

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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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