Bonanza Weather Forecast

    • 39
    • 75

    Sunny

    • 42
    • 82

    Sunny

    • 44
    • 83

    Sunny

    • 47
    • 83

    Partly Sunny

    • 48
    • 79

    Partly Sunny

    • 45
    • 78

    Partly Sunny

Today 15 Sep Klamath Basin

Sunny. Highs in the lower to mid 70s. Northeast Winds around 5 Mph.

Tonight 15 Sep Klamath Basin

Clear. Lows in the mid 30s to mid 40s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Bonanza Temperature Statistics

September Temperature

Klamath Falls International Airport (16.2 miles)

  • Lowest 12 September, 2025

    41 °F

  • Average September

    62.1 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Klamath Falls International Airport (16.2 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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