Northwest Island Weather Forecast

    • 48
    • 60

    Increasing Clouds

    • 49
    • 60

    Increasing Clouds

    • 51
    • 64

    Rain Likely

    • 46
    • 58

    Rain Likely

    • 47
    • 52

    Mostly Cloudy

    • 46
    • 52

    Slight Chance Rain

    • 45
    • 52

    Partly Sunny

Today 14 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny. Highs in the mid 50s to lower 60s.

Tonight 14 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the 40s to lower 50s. Light wind.

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Northwest Island Temperature Statistics

October Temperature

Whidbey Island Naval Air Station - Ault Field (4.3 miles)

  • Lowest 11 October, 2026

    37.9 °F

  • Average October

    52.1 °F

  • Highest 5 October, 2026

    64.9 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (4.3 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    55.9 °F
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