Swinomish Channel - Shelter Bay Weather Forecast

    • 43
    • 59

    Mostly Sunny

    • 45
    • 61

    Partly Sunny

    • 43
    • 56

    Mostly Cloudy

    • 41
    • 55

    Partly Sunny

    • 41
    • 53

    Chance Rain

    • 41
    • 57

    Slight Chance Rain

    • 41
    • 57

    Mostly Cloudy

Today 20 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Areas of fog in the morning. Patchy fog late in the morning. Highs in the upper 50s to mid 60s. North wind to 10 Mph becoming northwest in the afternoon.

Tonight 20 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Patchy fog in the morning. Lows in the upper 30s to mid 40s. Northwest wind 10 to 15 Mph in the evening becoming light.

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Swinomish Channel - Shelter Bay Temperature Statistics

October Temperature

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

  • Lowest 11 October, 2026

    37.9 °F

  • Average October

    51.9 °F

  • Highest 5 October, 2026

    64.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    55.9 °F
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