Bonanza Weather Forecast

    • 38
    • 74

    Mostly Sunny

    • 41
    • 78

    Partly Sunny

    • 41
    • 79

    Mostly Sunny

    • 39
    • 79

    Mostly Sunny

    • 39
    • 77

    Partly Sunny

    • 39
    • 77

    Partly Sunny

Today 19 Sep Klamath Basin

Sunny. Highs in the lower to mid 70s. Northeast Winds around 5 Mph shifting to the southeast early this Afternoon, then shifting to the northwest late this afternoon.

Tonight 19 Sep Klamath Basin

Mostly clear in the evening then becoming partly cloudy. Lows in the lower to mid 40s. North Winds around 5 Mph.

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  • Temperature Real-Time

Bonanza Temperature Statistics

September Temperature

Klamath Falls International Airport (16.2 miles)

  • Lowest 7 September, 2026

    31.6 °F

  • Average September

    54.3 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Klamath Falls International Airport (16.2 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    63.3 °F
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