Cornplanter State Forest Weather Forecast

    • 54
    • 81

    Partly Sunny

    • 53
    • 79

    Partly Sunny

    • 55
    • 81

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 56
    • 78

    Partly Sunny

    • 57
    • 80

    Chance Rain Showers

    • 58
    • 80

    Chance Rain Showers

Today 16 Sep Forest

Partly cloudy. Near steady temperature in the upper 70s. Northeast Winds around 5 Mph.

Tonight 16 Sep Forest

Mostly cloudy. Lows in the mid 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornplanter State Forest Temperature Statistics

September Temperature

Franklin, Venango Regional Airport (21.7 miles)

  • Lowest 8 September, 2025

    39.9 °F

  • Average September

    60.9 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Franklin, Venango Regional Airport (21.7 miles)

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  • Average Low 2020–2025

    40.7 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    58.2 °F
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