Upper Klamath Lake Weather Forecast

    • 52
    • 78

    Areas Smoke

    • 54
    • 79

    Sunny

    • 57
    • 81

    Slight Chance Thunderstorms

    • 56
    • 77

    Partly Sunny

    • 57
    • 78

    Partly Sunny

    • 54
    • 77

    Partly Sunny

Today 31 Aug Klamath Basin

Mostly cloudy then becoming partly cloudy late this morning then becoming sunny. Areas of smoke through the day. Highs in the lower 80s to lower 90s. Southeast Winds around 5 Mph shifting to the south 10 to 15 Mph this afternoon.

Tonight 31 Aug Klamath Basin

Mostly clear. Areas of smoke. Lows in the mid 40s to mid 50s. West Winds 10 to 15 Mph shifting to the northwest around 5 Mph after Midnight, then shifting to the northeast well after midnight.

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Upper Klamath Lake Temperature Statistics

August Temperature

Klamath Falls International Airport (19.3 miles)

  • Lowest 8 August, 2025

    39.7 °F

  • Average August

    66.7 °F

  • Highest 11 August, 2025

    95.6 °F

Climate (2020–Present)

Klamath Falls International Airport (19.3 miles)

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  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    63.2 °F
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