Cornplanter State Forest Weather Forecast

    • 67
    • 87

    Decreasing Clouds

    • 72
    • 93

    Chance Thunderstorms

    • 72
    • 95

    Mostly Sunny

    • 72
    • 96

    Slight Chance Thunderstorms

    • 70
    • 94

    Chance Thunderstorms

    • 67
    • 90

    Chance Thunderstorms

Today 29 Jun Forest

Partly cloudy in the Morning, then becoming partly sunny. Widespread fog in the morning. Humid with Highs in the upper 80s. Southeast Winds around 5 Mph.

Tonight 29 Jun Forest

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornplanter State Forest Temperature Statistics

June Temperature

Franklin, Venango Regional Airport (21.7 miles)

  • Lowest 3 June, 2026

    44.1 °F

  • Average June

    66 °F

  • Highest 10 June, 2026

    86 °F

Climate (2021–2026)

Franklin, Venango Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    58.2 °F
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