Swinomish Channel - Shelter Bay Weather Forecast

    • 48
    • 62

    Increasing Clouds

    • 49
    • 63

    Partly Sunny

    • 49
    • 64

    Mostly Cloudy

    • 50
    • 66

    Partly Sunny

    • 50
    • 67

    Partly Sunny

    • 51
    • 68

    Partly Sunny

Today 17 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy in the morning then becoming mostly sunny. Highs in the upper 50s to mid 60s. Light wind.

Tonight 17 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s to lower 50s. Light wind becoming southeast to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Swinomish Channel - Shelter Bay Temperature Statistics

May Temperature

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

  • Lowest 12 May, 2026

    45 °F

  • Average May

    53.6 °F

  • Highest 3 May, 2026

    66.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    56.1 °F
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