Lower Klamath Lake Weather Forecast

    • 44
    • 79

    Increasing Clouds

    • 39
    • 70

    Partly Sunny

    • 49
    • 82

    Mostly Sunny

    • 50
    • 84

    Mostly Sunny

    • 49
    • 82

    Mostly Sunny

    • 54
    • 89

    Sunny

    • 53
    • 92

    Mostly Sunny

Today 25 May Northeast Siskiyou and Northwest Modoc Counties

Partly cloudy this morning then clearing. Highs in the mid 70s to lower 80s. South Winds 5 to 10 Mph with Gusts to around 30 Mph increasing to southwest 15 to 20 Mph late this afternoon.

Tonight 25 May Northeast Siskiyou and Northwest Modoc Counties

Mostly cloudy. Lows in the mid 40s. Southwest Winds 15 to 20 Mph becoming west 5 to 10 Mph with Gusts to around 30 Mph late this evening and overnight.

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Lower Klamath Lake Temperature Statistics

May Temperature

Klamath Falls International Airport (10.6 miles)

  • Lowest 15 May, 2025

    28.9 °F

  • Average May

    52.5 °F

  • Highest 9 May, 2025

    79.6 °F

Climate (2020–Present)

Klamath Falls International Airport (10.6 miles)

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  • Average Low 2020–2025

    33.7 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    63.1 °F
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