Greenville Weather Forecast

    • 40
    • 66

    Mostly Sunny

    • 36
    • 69

    Mostly Sunny

    • 37
    • 66

    Mostly Sunny

    • 40
    • 67

    Mostly Sunny

    • 37
    • 65

    Mostly Sunny

    • 38
    • 65

    Mostly Sunny

Today 19 Oct Mercer

Sunny. Highs in the mid 60s. Light and variable Winds, becoming west around 5 Mph.

Tonight 19 Oct Mercer

Mainly clear. Lows around 40. North Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenville Temperature Statistics

October Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 17 October, 2026

    35.1 °F

  • Average October

    57.3 °F

  • Highest 13 October, 2026

    81 °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

    42.6 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.2 °F
Get WillyWeather+ to remove ads