Collier Memorial State Park Weather Forecast

    • 32
    • 74

    Chance Rain

    • 33
    • 53

    Chance Rain

    • 37
    • 61

    Rain Likely

    • 41
    • 70

    Rain Showers Likely

    • 35
    • 65

    Partly Sunny

    • 34
    • 68

    Mostly Sunny

Today 25 May Klamath Basin

Partly cloudy. Patchy blowing dust through the day. A 30 percent chance of rain late this afternoon. Highs in the lower to mid 70s. Breezy. Southwest Winds 15 to 25 Mph with Gusts to around 40 Mph.

Tonight 25 May Klamath Basin

Mostly cloudy. Patchy blowing dust in the evening. Chance of rain in the Evening, then slight chance of rain and snow after midnight. Snow level 6000 feet in the evening. Lows in the lower to mid 30s. Breezy. West Winds 15 to 25 Mph decreasing to 10 to 15 Mph well after midnight. Chance of precipitation 30 percent.

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Collier Memorial State Park Temperature Statistics

May Temperature

Klamath Falls International Airport (34.8 miles)

  • Lowest 14 May, 2026

    26.7 °F

  • Average May

    55.4 °F

  • Highest 11 May, 2026

    84.7 °F

Climate (2021–Present)

Klamath Falls International Airport (34.8 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    63.6 °F
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