Cornplanter State Forest Weather Forecast

    • 54
    • 65

    Chance Rain Showers

    • 53
    • 73

    Slight Chance Rain Showers

    • 58
    • 78

    Partly Sunny

    • 60
    • 79

    Chance Thunderstorms

    • 55
    • 77

    Chance Thunderstorms

    • 58
    • 77

    Partly Sunny

Today 24 Aug Forest

Mostly cloudy. A chance of Showers in the afternoon. Unseasonably cool with Highs in the mid 60s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 24 Aug Forest

Mostly cloudy with a 20 percent chance of Showers. Lows in the lower 50s. West Winds around 5 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornplanter State Forest Temperature Statistics

August Temperature

Franklin, Venango Regional Airport (21.7 miles)

  • Lowest 4 August, 2026

    53.1 °F

  • Average August

    69.9 °F

  • Highest 5 August, 2026

    84 °F

Climate (2021–2026)

Franklin, Venango Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    58.3 °F
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