Klamath Falls Weather Forecast

    • 38
    • 67

    Sunny

    • 42
    • 75

    Mostly Sunny

    • 42
    • 70

    Mostly Sunny

    • 43
    • 70

    Mostly Sunny

    • 45
    • 76

    Mostly Sunny

    • 48
    • 82

    Mostly Sunny

Today 20 May Klamath Basin

Sunny. Highs in the lower to mid 60s. West Winds 5 to 10 Mph.

Tonight 20 May Klamath Basin

Mostly clear. Lows in the lower 30s to lower 40s. Northwest Winds 5 to 10 Mph.

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Klamath Falls Temperature Statistics

May Temperature

Klamath Falls International Airport (5.6 miles)

  • Lowest 15 May, 2025

    28.9 °F

  • Average May

    52.6 °F

  • Highest 9 May, 2025

    79.6 °F

Climate (2020–Present)

Klamath Falls International Airport (5.6 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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