Collier Memorial State Park Weather Forecast

    • 31
    • 74

    Increasing Clouds

    • 24
    • 56

    Mostly Sunny

    • 20
    • 50

    Mostly Sunny

    • 24
    • 58

    Mostly Sunny

    • 28
    • 61

    Partly Sunny

    • 29
    • 62

    Mostly Sunny

Today 9 Oct Klamath Basin

Sunny. Highs in the lower 70s to lower 80s. South Winds around 5 Mph shifting to the west 10 to 15 Mph in the late morning and afternoon.

Tonight 9 Oct Klamath Basin

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 30s to lower 40s. Northwest 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 3 October, 2026

    35.7 °F

  • Average October

    61 °F

  • Highest 7 October, 2026

    86 °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

    48.6 °F

  • Average High 2021–2026

    63.4 °F
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