Greenville Weather Forecast

    • 70
    • 82

    Rain Showers

    • 57
    • 79

    Slight Chance Rain Showers

    • 61
    • 80

    Partly Sunny

    • 57
    • 77

    Rain Showers

    • 53
    • 76

    Partly Sunny

    • 56
    • 78

    Partly Sunny

Today 16 Aug Mercer

Showers likely with a slight chance of Thunderstorms this Morning, then Showers with Thunderstorms likely this afternoon. Highs in the lower 80s. South Winds around 5 Mph, becoming southwest this afternoon. Chance of rain near 100 percent.

Tonight 16 Aug Mercer

Mostly cloudy. Showers with Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. West Winds around 5 Mph. Chance of rain 90 percent.

Graph Plots Open in Graphs

  • 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

    70.9 °F

  • Highest 6 August, 2026

    82.9 °F

Climate (2021–2026)

Port Meadville Airport (17.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.3 °F
Get WillyWeather+ to remove ads