Collier Memorial State Park Weather Forecast

    • 17
    • 53

    Mostly Sunny

    • 27
    • 61

    Partly Sunny

    • 27
    • 61

    Chance Snow

    • 23
    • 52

    Chance Rain/Snow

    • 21
    • 52

    Partly Sunny

    • 23
    • 54

    Partly Sunny

Today 23 Oct Klamath Basin

Sunny. Highs in the lower to mid 50s. North Winds 10 to 15 Mph decreasing to around 5 Mph late this afternoon.

Tonight 23 Oct Klamath Basin

Mostly clear. Lows in the lower 20s to lower 30s. Northeast Winds around 5 Mph.

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Collier Memorial State Park Temperature Statistics

October Temperature

Klamath Falls International Airport (34.8 miles)

  • Lowest 13 October, 2026

    19.7 °F

  • Average October

    53.5 °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

    63.5 °F
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