Cornplanter State Forest Weather Forecast

    • 49
    • 65

    Chance Rain Showers

    • 48
    • 61

    Chance Rain Showers

    • 46
    • 61

    Chance Rain Showers

    • 43
    • 62

    Partly Sunny

    • 44
    • 66

    Partly Sunny

    • 46
    • 69

    Partly Sunny

Today 21 Sep Forest

Considerable cloudiness. Highs in the mid 60s. Northeast Winds 5 to 10 Mph.

Tonight 21 Sep Forest

Considerable cloudiness with a 50 percent chance of Showers. Lows in the upper 40s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornplanter State Forest Temperature Statistics

September Temperature

Franklin, Venango Regional Airport (21.7 miles)

  • Lowest 15 September, 2026

    48 °F

  • Average September

    68.3 °F

  • Highest 2 September, 2026

    87.1 °F

Climate (2021–2026)

Franklin, Venango Regional Airport (21.7 miles)

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

  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    58.2 °F
Get WillyWeather+ to remove ads