Boulder Island Weather Forecast

    • 53
    • 63

    Increasing Clouds

    • 52
    • 61

    Partly Sunny

    • 52
    • 60

    Partly Sunny

    • 52
    • 60

    Mostly Cloudy

    • 51
    • 57

    Mostly Cloudy

    • 51
    • 57

    Mostly Cloudy

Today 2 Oct San Juan County

Partly sunny. Highs in the lower to mid 60s. Light wind.

Tonight 2 Oct San Juan County

Mostly cloudy. Patchy fog after midnight. Lows in the mid 40s to lower 50s. Light wind becoming north to 10 Mph after midnight.

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Boulder Island Temperature Statistics

October Temperature

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

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Climate (2021–2026)

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

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    55.9 °F
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