Swinomish Channel - Shelter Bay Weather Forecast

    • 51
    • 69

    Increasing Clouds

    • 52
    • 70

    Partly Sunny

    • 51
    • 69

    Partly Sunny

    • 50
    • 64

    Rain Likely

    • 48
    • 59

    Rain Likely

    • 50
    • 63

    Partly Sunny

Today 21 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Patchy fog in the morning. Highs in the mid 60s to lower 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 21 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows near 50. 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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