Klamath Falls Weather Forecast

    • 30
    • 49

    Rain/Snow

    • 38
    • 52

    Rain

    • 27
    • 46

    Rain

    • 32
    • 43

    Rain Likely

    • 32
    • 49

    Rain

    • 26
    • 44

    Chance Rain/Snow

    • 26
    • 43

    Chance Rain/Snow

Today 17 Dec Klamath Basin

Sunny early this afternoon then becoming partly cloudy. Highs in the mid 40s to lower 50s. West Winds 10 to 20 Mph.

Tonight 17 Dec Klamath Basin

Mostly cloudy. Slight chance of rain and snow late this evening. Rain and snow likely after Midnight, then rain and snow well after midnight. Snow level 3900 feet after midnight. Snow accumulation up to 1 inch. Lows in the mid 20s to lower 30s. South Winds 10 to 15 Mph. Chance of precipitation 80 percent.

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Klamath Falls Temperature Statistics

December Temperature

Klamath Falls International Airport (5.6 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 (5.6 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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