Bonanza Weather Forecast

    • 41
    • 63

    Increasing Clouds

    • 33
    • 59

    Rain Showers

    • 38
    • 65

    Mostly Sunny

    • 37
    • 73

    Partly Sunny

    • 41
    • 77

    Partly Sunny

    • 41
    • 78

    Slight Chance Rain

Today 5 Sep Klamath Basin

Partly cloudy then becoming sunny early this afternoon then becoming partly cloudy. Widespread frost early this morning. A 10 percent chance of rain Showers late this afternoon. Highs in the lower to mid 60s. East Winds around 5 Mph shifting to the south this afternoon.

Tonight 5 Sep Klamath Basin

Partly cloudy in the evening then becoming mostly cloudy. A 30 percent chance of Showers. Lows in the lower to mid 40s. West Winds 5 to 10 Mph shifting to the northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bonanza Temperature Statistics

September Temperature

Klamath Falls International Airport (16.2 miles)

  • Lowest 1 September, 2026

    37.7 °F

  • Average September

    52.9 °F

  • Highest 1 September, 2026

    73.7 °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

    63.4 °F
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