Greenville Weather Forecast

    • 56
    • 77

    Decreasing Clouds

    • 61
    • 81

    Partly Sunny

    • 59
    • 81

    Chance Thunderstorms

    • 54
    • 79

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

    • 65
    • 84

    Partly Sunny

Today 25 Aug Mercer

Partly cloudy. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 25 Aug Mercer

Partly cloudy. Patchy fog after midnight. Lows in the mid 50s. North Winds around 5 Mph, becoming southeast after midnight.

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

    69.9 °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