Rainbow Bay Weather Forecast

    • 35
    • 45

    Rain

    • 24
    • 41

    Rain/Snow

    • 29
    • 38

    Rain/Snow Likely

    • 29
    • 41

    Rain/Snow

    • 23
    • 38

    Snow Likely

    • 25
    • 38

    Snow Likely

Today 18 Dec Siskiyou Mountains and Southern Oregon Cascades

Mostly cloudy. Chance of rain in the Morning, then rain likely in the afternoon. Snow level 7000 feet in the afternoon. Highs in the lower 40s to lower 50s. Breezy. Southwest Winds 15 to 25 Mph. Gusts up to 40 Mph increasing to 45 Mph in the afternoon. Chance of rain 60 percent.

Tonight 18 Dec Siskiyou Mountains and Southern Oregon Cascades

Rain in the Evening, then rain and snow after midnight. Snow level 6000 feet rising to 7000 feet after midnight. Little or no snow accumulation. Lows in the mid 30s to lower 40s. Windy. Southwest Winds 20 to 30 Mph with Gusts to around 45 Mph. Chance of precipitation 90 percent.

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Rainbow Bay Temperature Statistics

December Temperature

Klamath Falls International Airport (29.2 miles)

  • Lowest 14 December, 2025

    14 °F

  • Average December

    35.5 °F

  • Highest 10 December, 2025

    59 °F

Climate (2020–Present)

Klamath Falls International Airport (29.2 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    63.1 °F
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