Swinomish Channel - Shelter Bay Weather Forecast

    • 61
    • 75

    Slight Chance Rain

    • 58
    • 76

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 57
    • 71

    Chance Rain

    • 56
    • 70

    Partly Sunny

    • 57
    • 72

    Partly Sunny

Today 27 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. Highs in the 70s. Light wind.

Tonight 27 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Cloudy with a slight chance of rain. Lows in the upper 50s to mid 60s. Southwest wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

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Swinomish Channel - Shelter Bay Temperature Statistics

August Temperature

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

  • Lowest 21 August, 2025

    46.9 °F

  • Average August

    60.3 °F

  • Highest 10 August, 2025

    82 °F

Climate (2020–Present)

Whidbey Island Naval Air Station - Ault Field (6.8 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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