Collier Memorial State Park Weather Forecast

    • 32
    • 73

    Increasing Clouds

    • 28
    • 70

    Partly Sunny

    • 29
    • 68

    Mostly Sunny

    • 26
    • 55

    Slight Chance Rain

    • 25
    • 54

    Partly Sunny

    • 26
    • 57

    Mostly Sunny

Today 16 Oct Klamath Basin

Sunny. Highs in the lower to mid 70s. Northeast Winds around 5 Mph shifting to the southeast this afternoon.

Tonight 16 Oct Klamath Basin

Partly cloudy. Lows in the lower 30s to lower 40s. Southeast Winds 5 to 10 Mph.

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Collier Memorial State Park Temperature Statistics

October Temperature

Klamath Falls International Airport (34.8 miles)

  • Lowest 12 October, 2026

    22.6 °F

  • Average October

    54.2 °F

  • Highest 7 October, 2026

    86.6 °F

Climate (2021–2026)

Klamath Falls International Airport (34.8 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    63.4 °F
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