Agency Lake Weather Forecast

    • 39
    • 49

    Rain

    • 27
    • 42

    Rain/Snow

    • 33
    • 39

    Rain/Snow Likely

    • 32
    • 44

    Rain

    • 27
    • 39

    Rain/Snow Likely

    • 28
    • 38

    Rain/Snow Likely

Today 18 Dec Klamath Basin

Mostly cloudy with a 40 percent chance of rain. Snow level 7000 feet in the afternoon. Highs in the mid 40s to lower 50s. Windy. Southwest Winds 20 to 30 Mph with Gusts to around 45 Mph.

Tonight 18 Dec Klamath Basin

Mostly cloudy. Chance of rain in the Evening, then rain after midnight. Snow level 6000 feet rising to 7000 feet after midnight. Lows in the mid 30s to lower 40s. Windy. Southwest Winds 20 to 30 Mph. Gusts up to 45 Mph until well after midnight. Chance of rain 90 percent.

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Agency Lake 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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