Cottonwood Reservoir Weather Forecast

    • 53
    • 88

    Increasing Clouds

    • 51
    • 86

    Mostly Cloudy

    • 42
    • 82

    Mostly Sunny

    • 45
    • 82

    Mostly Sunny

    • 46
    • 84

    Partly Sunny

    • 46
    • 83

    Partly Sunny

Today 20 Aug Northern and Eastern Klamath County and Western Lake County

Partly cloudy until early afternoon then becoming mostly cloudy. Patchy smoke this morning. Highs in the mid 80s to lower 90s. South Winds 5 to 10 Mph shifting to the southwest late this afternoon.

Tonight 20 Aug Northern and Eastern Klamath County and Western Lake County

Mostly cloudy. Lows in the lower to mid 50s. Southwest Winds 5 to 10 Mph shifting to the southeast after midnight.

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Cottonwood Reservoir Temperature Statistics

August Temperature

Lake County Airport (8.7 miles)

  • Lowest 17 August, 2026

    48 °F

  • Average August

    73.4 °F

  • Highest 6 August, 2026

    97 °F

Climate (2021–2026)

Lake County Airport (8.7 miles)

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  • Average Low 2021–2026

    34.1 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    61.4 °F
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