Swinomish Channel - Shelter Bay Weather Forecast

    • 50
    • 65

    Partly Sunny

    • 52
    • 70

    Partly Sunny

    • 53
    • 70

    Partly Sunny

    • 51
    • 69

    Partly Sunny

    • 50
    • 64

    Chance Rain

    • 48
    • 60

    Chance Rain

Today 20 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Patchy fog in the morning. Highs in the 60s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 20 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy. Patchy fog in the morning. Lows in the mid 40s to lower 50s. Northwest wind to 10 Mph in the evening becoming light.

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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 16 May, 2026

    44.1 °F

  • Average May

    53 °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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