Collier Memorial State Park Weather Forecast

    • 44
    • 77

    Increasing Clouds

    • 38
    • 65

    Slight Chance Rain

    • 33
    • 56

    Slight Chance Thunderstorms

    • 34
    • 61

    Partly Sunny

    • 35
    • 69

    Mostly Sunny

    • 36
    • 71

    Sunny

    • 38
    • 72

    Mostly Sunny

Today 25 Jun Klamath Basin

Partly cloudy this morning then becoming mostly cloudy. Highs in the lower 70s to lower 80s. Northwest Winds around 5 Mph shifting to the southwest late this Morning, then shifting to the west 10 to 15 Mph this afternoon.

Tonight 25 Jun Klamath Basin

Mostly cloudy. A 40 percent chance of Showers late this evening and overnight. Lows in the mid 40s to lower 50s. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Collier Memorial State Park Temperature Statistics

June Temperature

Klamath Falls International Airport (34.8 miles)

  • Lowest 7 June, 2026

    28.7 °F

  • Average June

    61.9 °F

  • Highest 16 June, 2026

    91.7 °F

Climate (2021–2026)

Klamath Falls International Airport (34.8 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    63.5 °F
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