Clear Lake Reservoir Weather Forecast

    • 31
    • 48

    Chance Rain/Snow

    • 30
    • 44

    Increasing Clouds

    • 34
    • 51

    Mostly Cloudy

    • 34
    • 55

    Mostly Cloudy

    • 36
    • 57

    Mostly Cloudy

    • 33
    • 54

    Slight Chance Rain

    • 29
    • 49

    Partly Sunny

Today 27 Jan Northeast Siskiyou and Northwest Modoc Counties

Partly cloudy early this afternoon then becoming mostly cloudy. Highs in the mid 40s to lower 50s. Breezy. South Winds 15 to 25 Mph.

Tonight 27 Jan Northeast Siskiyou and Northwest Modoc Counties

Mostly cloudy with a 30 percent chance of rain and snow until well after Midnight, then partly cloudy well after midnight. Snow level 4500 feet this evening. Lows in the mid 20s to lower 30s. South Winds 10 to 20 Mph decreasing to 5 to 10 Mph well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Reservoir Temperature Statistics

January Temperature

Klamath Falls International Airport (35.4 miles)

  • Lowest 25 January, 2026

    12 °F

  • Average January

    34.3 °F

  • Highest 15 January, 2026

    54.6 °F

Climate (2021–Present)

Klamath Falls International Airport (35.4 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    63.2 °F
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