Thompson Lake Weather Forecast

    • 52
    • 69

    Mostly Cloudy

    • 50
    • 73

    Partly Sunny

    • 51
    • 76

    Partly Sunny

    • 51
    • 73

    Mostly Cloudy

    • 48
    • 76

    Mostly Sunny

    • 49
    • 78

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

Today 25 Jul Central Oregon Coast Range

Partly sunny with a 20 percent chance of rain. Highs in the lower 70s. Southwest wind 5 to 10 Mph.

Tonight 25 Jul Central Oregon Coast Range

Mostly cloudy. A slight chance of rain this evening. Patchy fog this evening. Lows in the mid 50s. Southwest wind 5 to 10 Mph this Evening, becoming light and variable. Chance of rain 20 percent.

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Thompson Lake Temperature Statistics

July Temperature

Corvallis, Corvallis Municipal Airport (14.9 miles)

  • Lowest 17 July, 2026

    44.1 °F

  • Average July

    67.7 °F

  • Highest 21 July, 2026

    97 °F

Climate (2021–2026)

Corvallis, Corvallis Municipal Airport (14.9 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    64 °F
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