Tionesta Lake Weather Forecast

    • 57
    • 80

    Mostly Sunny

    • 65
    • 86

    Mostly Sunny

    • 70
    • 91

    Mostly Sunny

    • 68
    • 87

    Rain Showers Likely

    • 66
    • 86

    Rain Showers Likely

    • 66
    • 86

    Chance Thunderstorms

Today 22 Jul Forest

Sunny. Highs around 80. East Winds around 5 Mph.

Tonight 22 Jul Forest

Mainly clear. Lows in the upper 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tionesta Lake Temperature Statistics

July Temperature

Franklin, Venango Regional Airport (23.6 miles)

  • Lowest 4 July, 2025

    54 °F

  • Average July

    73.8 °F

  • Highest 12 July, 2025

    89.1 °F

Climate (2020–Present)

Franklin, Venango Regional Airport (23.6 miles)

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  • Average Low 2020–2025

    41.2 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    58.6 °F
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