Swinomish Channel - Shelter Bay Weather Forecast

    • 55
    • 71

    Increasing Clouds

    • 56
    • 71

    Partly Sunny

    • 56
    • 73

    Mostly Sunny

    • 56
    • 75

    Partly Sunny

    • 55
    • 74

    Mostly Cloudy

    • 56
    • 73

    Mostly Cloudy

Today 11 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Highs in the upper 60s to mid 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 11 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy. Lows in the 50s. West wind to 10 Mph in the evening becoming light.

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Swinomish Channel - Shelter Bay Temperature Statistics

August Temperature

Whidbey Island Naval Air Station - Ault Field (6.8 miles)

  • Lowest 3 August, 2026

    48 °F

  • Average August

    57.9 °F

  • Highest 5 August, 2026

    69.1 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (6.8 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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