Tionesta Weather Forecast

    • 44
    • 78

    Sunny

    • 49
    • 84

    Sunny

    • 49
    • 85

    Sunny

    • 53
    • 86

    Partly Sunny

    • 51
    • 79

    Mostly Cloudy

    • 49
    • 78

    Partly Sunny

    • 48
    • 77

    Mostly Sunny

Today 15 Sep Modoc County

Sunny. Highs in the lower 70s to lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 15 Sep Modoc County

Clear. Lows in the lower 40s to lower 50s. Northeast Winds 10 to 15 Mph.

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Tionesta Temperature Statistics

September Temperature

Klamath Falls International Airport (39.8 miles)

  • Lowest 12 September, 2025

    41 °F

  • Average September

    61.9 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Klamath Falls International Airport (39.8 miles)

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  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    63.1 °F
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