John C Boyle Reservoir Weather Forecast

    • 28
    • 51

    Decreasing Clouds

    • 27
    • 53

    Mostly Sunny

    • 21
    • 48

    Sunny

    • 20
    • 45

    Mostly Sunny

    • 24
    • 46

    Partly Sunny

    • 26
    • 48

    Partly Sunny

Today 21 Jan Klamath Basin

Mostly cloudy. Highs in the mid 40s to lower 50s. Northeast Winds around 5 Mph.

Tonight 21 Jan Klamath Basin

Mostly cloudy. Lows in the lower 20s to lower 30s. North Winds around 5 Mph.

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John C Boyle Reservoir Temperature Statistics

January Temperature

Klamath Falls International Airport (15.5 miles)

  • Lowest 9 January, 2026

    17.1 °F

  • Average January

    33.4 °F

  • Highest 15 January, 2026

    54 °F

Climate (2021–Present)

Klamath Falls International Airport (15.5 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    63.2 °F
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