Klamath River Weather Forecast

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    • 55

    Rain Showers

    • 43
    • 58

    Rain

    • 33
    • 55

    Rain

    • 37
    • 50

    Rain Likely

    • 36
    • 54

    Rain

    • 30
    • 50

    Rain Likely

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    Chance Rain

Today 17 Dec Central Siskiyou County

Partly cloudy. Highs in the mid 40s to lower 50s. Northwest Winds 5 to 10 Mph.

Tonight 17 Dec Central Siskiyou County

Mostly cloudy. Chance of rain and snow in the late evening and early morning. Rain likely well after midnight. Snow level 4000 feet rising to 5000 feet after midnight. No snow accumulation. Lows in the mid 30s. South Winds around 5 Mph increasing to 10 to 15 Mph after midnight. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Klamath River Temperature Statistics

December Temperature

Montague Siskiyou County Airport (14.3 miles)

  • Lowest 14 December, 2025

    21 °F

  • Average December

    35.8 °F

  • Highest 6 December, 2025

    57.9 °F

Climate (2020–Present)

Montague Siskiyou County Airport (14.3 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    68.9 °F
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