Klamath River Weather Forecast

    • 34
    • 61

    Mostly Cloudy

    • 31
    • 59

    Becoming Sunny

    • 33
    • 61

    Mostly Sunny

    • 34
    • 64

    Mostly Sunny

    • 35
    • 66

    Mostly Sunny

    • 36
    • 66

    Mostly Sunny

    • 36
    • 65

    Partly Sunny

Today 31 Jan Central Siskiyou County

Mostly cloudy. Highs in the mid 50s to lower 60s. Southeast Winds around 5 Mph.

Tonight 31 Jan Central Siskiyou County

Mostly cloudy. A 10 percent chance of rain well after midnight. Lows in the mid 30s. South Winds 5 to 10 Mph.

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Klamath River Temperature Statistics

January Temperature

Montague Siskiyou County Airport (14.3 miles)

  • Lowest 25 January, 2026

    11.6 °F

  • Average January

    37.1 °F

  • Highest 23 January, 2026

    56.6 °F

Climate (2021–Present)

Montague Siskiyou County Airport (14.3 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    69 °F
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