Tionesta Lake Weather Forecast

    • -8
    • 11

    Partly Sunny

    • -1
    • 14

    Mostly Cloudy

    • 2
    • 17

    Partly Sunny

    • 11
    • 22

    Mostly Cloudy

    • 12
    • 26

    Mostly Cloudy

    • 10
    • 28

    Chance Snow

Today 30 Jan Forest

Partly cloudy in the Morning, then becoming partly sunny. A chance of Flurries. Bitterly cold with Highs around 10 above. Northwest Winds around 5 Mph.

Tonight 30 Jan Forest

Partly cloudy. A chance of Flurries in the evening. Frigid. Lows around 8 below. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tionesta Lake Temperature Statistics

January Temperature

Franklin, Venango Regional Airport (23.6 miles)

  • Lowest 24 January, 2026

    -11 °F

  • Average January

    23.3 °F

  • Highest 9 January, 2026

    62.1 °F

Climate (2021–Present)

Franklin, Venango Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    58.1 °F
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