John C Boyle Reservoir Weather Forecast

    • 34
    • 58

    Becoming Sunny

    • 37
    • 64

    Decreasing Clouds

    • 43
    • 66

    Partly Sunny

    • 38
    • 56

    Rain Showers Likely

    • 35
    • 57

    Mostly Sunny

    • 39
    • 67

    Sunny

    • 40
    • 70

    Sunny

Today 14 May Klamath Basin

Sunny early this morning then becoming partly cloudy. Highs in the mid 50s to lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 14 May Klamath Basin

Mostly clear. Lows in the lower to mid 30s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

John C Boyle Reservoir Temperature Statistics

May Temperature

Klamath Falls International Airport (15.5 miles)

  • Lowest 4 May, 2025

    30.8 °F

  • Average May

    53.7 °F

  • Highest 9 May, 2025

    79.6 °F

Climate (2020–Present)

Klamath Falls International Airport (15.5 miles)

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  • Average Low 2020–2025

    33.7 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    63 °F
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