Thompson Reservoir Weather Forecast

    • 30
    • 59

    Mostly Sunny

    • 30
    • 61

    Becoming Sunny

    • 37
    • 69

    Partly Sunny

    • 36
    • 65

    Partly Sunny

    • 35
    • 65

    Partly Sunny

    • 39
    • 67

    Mostly Sunny

    • 42
    • 75

    Partly Sunny

Today 19 May Northern and Eastern Klamath County and Western Lake County

Mostly cloudy with a 30 percent chance of rain Showers. Snow level 7000 feet this afternoon. Highs in the mid 50s to lower 60s. Southwest Winds 10 to 15 Mph.

Tonight 19 May Northern and Eastern Klamath County and Western Lake County

Mostly clear. Lows around 30. West Winds 10 to 15 Mph decreasing to around 5 Mph well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Reservoir Temperature Statistics

May Temperature

Klamath Falls International Airport (63.4 miles)

  • Lowest 15 May, 2025

    28.9 °F

  • Average May

    52.6 °F

  • Highest 9 May, 2025

    79.6 °F

Climate (2020–Present)

Klamath Falls International Airport (63.4 miles)

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  • Average Low 2020–2025

    33.7 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    63 °F
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