Collier Memorial State Park Weather Forecast

    • 24
    • 62

    Becoming Sunny

    • 29
    • 65

    Partly Sunny

    • 32
    • 68

    Partly Sunny

    • 33
    • 66

    Partly Sunny

    • 27
    • 55

    Partly Sunny

    • 27
    • 57

    Mostly Sunny

Today 21 Mar Klamath Basin

Partly cloudy in the morning then clearing. Highs in the mid 50s to mid 60s. West Winds 10 to 15 Mph.

Tonight 21 Mar Klamath Basin

Mostly clear. Lows in the mid 20s to mid 30s. Northwest Winds 10 to 15 Mph shifting to the north around 5 Mph after midnight.

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Collier Memorial State Park Temperature Statistics

March Temperature

Klamath Falls International Airport (34.8 miles)

  • Lowest 11 March, 2026

    19.7 °F

  • Average March

    43.2 °F

  • Highest 18 March, 2026

    75.9 °F

Climate (2021–Present)

Klamath Falls International Airport (34.8 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    63.4 °F
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