Greenville Weather Forecast

    • 64
    • 85

    Chance Thunderstorms

    • 66
    • 85

    Chance Thunderstorms

    • 65
    • 84

    Rain Showers

    • 62
    • 82

    Rain Showers Likely

    • 62
    • 82

    Rain Showers Likely

    • 59
    • 80

    Chance Rain Showers

    • 55
    • 77

    Partly Sunny

Today 8 Aug Mercer

Partly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 8 Aug Mercer

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then mainly clear after midnight. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenville Temperature Statistics

August Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 4 August, 2026

    53.1 °F

  • Average August

    70.5 °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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