Tionesta Lake Weather Forecast

    • 71
    • 91

    Mostly Sunny

    • 69
    • 93

    Isolated Thunderstorms

    • 68
    • 86

    Thunderstorms Likely

    • 68
    • 86

    Rain Showers Likely

    • 68
    • 87

    Rain Showers Likely

    • 65
    • 83

    Chance Thunderstorms

Today 23 Jun Forest

Patchy fog this morning. Sunny, hot with Highs in the lower 90s. West Winds around 5 Mph. Heat index Values in the upper 90s.

Tonight 23 Jun Forest

Clear, warm with Lows around 70. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tionesta Lake Temperature Statistics

June Temperature

Franklin, Venango Regional Airport (23.6 miles)

  • Lowest 1 June, 2025

    37 °F

  • Average June

    66.1 °F

  • Highest 4 June, 2025

    84 °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

    49.7 °F

  • Average High 2020–2025

    58.6 °F
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