Greenville Weather Forecast

    • 68
    • 87

    Slight Chance Thunderstorms

    • 67
    • 83

    Rain Showers

    • 64
    • 83

    Rain Showers Likely

    • 65
    • 85

    Rain Showers Likely

    • 67
    • 85

    Rain Showers Likely

    • 64
    • 82

    Rain Showers Likely

    • 61
    • 81

    Chance Rain Showers

Today 6 Aug Mercer

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 6 Aug Mercer

Partly cloudy this Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Patchy fog after midnight. Lows in the upper 60s. Northeast Winds around 5 Mph, becoming southeast after midnight. Chance of rain 20 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

    69.8 °F

  • Highest 4 August, 2026

    82 °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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