Thompson Reservoir Weather Forecast

    • 15
    • 31

    Decreasing Clouds

    • 21
    • 39

    Partly Sunny

    • 24
    • 44

    Mostly Cloudy

    • 24
    • 46

    Partly Sunny

    • 28
    • 50

    Partly Sunny

    • 31
    • 55

    Partly Sunny

    • 29
    • 57

    Mostly Sunny

Today 8 Jan Northern and Eastern Klamath County and Western Lake County

Partly cloudy. Slight chance of snow early this afternoon. Highs around 30. West Winds 5 to 10 Mph.

Tonight 8 Jan Northern and Eastern Klamath County and Western Lake County

Partly cloudy. Lows 15 to 20. West Winds 5 to 10 Mph shifting to the south late this evening and overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Reservoir Temperature Statistics

January Temperature

Klamath Falls International Airport (63.4 miles)

  • Lowest 6 January, 2026

    30 °F

  • Average January

    38.9 °F

  • Highest 1 January, 2026

    46.9 °F

Climate (2021–Present)

Klamath Falls International Airport (63.4 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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