Boulder Island Weather Forecast

    • 53
    • 62

    Chance Rain

    • 52
    • 64

    Mostly Cloudy

    • 52
    • 63

    Mostly Sunny

    • 52
    • 65

    Mostly Sunny

    • 52
    • 67

    Partly Sunny

    • 53
    • 66

    Mostly Cloudy

    • 53
    • 66

    Partly Sunny

Today 2 Jul San Juan County

Mostly cloudy. A chance of rain in the afternoon. Highs in the upper 50s to mid 60s. South wind to 10 Mph.

Tonight 2 Jul San Juan County

Mostly cloudy. A chance of rain in the evening. A slight chance of rain after midnight. Lows in the lower to mid 50s. Light wind.

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Boulder Island Temperature Statistics

July 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

    44.4 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    56 °F
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