Colville Island Weather Forecast

    • 54
    • 62

    Decreasing Clouds

    • 56
    • 68

    Mostly Sunny

    • 58
    • 66

    Mostly Sunny

    • 56
    • 66

    Mostly Sunny

    • 54
    • 62

    Mostly Cloudy

    • 54
    • 61

    Partly Sunny

    • 54
    • 60

    Mostly Cloudy

Today 9 Aug San Juan County

Mostly sunny. Highs in the upper 60s to mid 70s. Light wind.

Tonight 9 Aug San Juan County

Mostly clear. Lows in the mid 50s to lower 60s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Colville Island Temperature Statistics

August Temperature

Whidbey Island Naval Air Station - Ault Field (8.1 miles)

  • Lowest 7 August, 2025

    54 °F

  • Average August

    59.7 °F

  • Highest 1 August, 2025

    69.1 °F

Climate (2020–Present)

Whidbey Island Naval Air Station - Ault Field (8.1 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    56.2 °F
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