Captain Jack Lake Weather Forecast

    • 64
    • 83

    Decreasing Clouds

    • 60
    • 81

    Mostly Cloudy

    • 52
    • 77

    Sunny

    • 55
    • 77

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

Today 20 Aug Klamath Basin

Sunny then becoming partly cloudy early this afternoon then becoming mostly cloudy. Highs in the mid 80s to lower 90s. South Winds 5 to 10 Mph.

Tonight 20 Aug Klamath Basin

Mostly cloudy. Lows in the lower 50s to lower 60s. Southwest Winds 10 to 15 Mph decreasing to around 5 Mph after Midnight, then shifting to the southeast well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Captain Jack Lake Temperature Statistics

August Temperature

Klamath Falls International Airport (19.3 miles)

  • Lowest 2 August, 2026

    41.6 °F

  • Average August

    68.8 °F

  • Highest 7 August, 2026

    97.6 °F

Climate (2021–2026)

Klamath Falls International Airport (19.3 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    63.4 °F
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