Pass Island Weather Forecast

    • 53
    • 62

    Rain

    • 49
    • 58

    Rain

    • 49
    • 58

    Mostly Cloudy

    • 51
    • 61

    Chance Rain

    • 50
    • 58

    Mostly Cloudy

    • 50
    • 59

    Partly Sunny

    • 50
    • 60

    Partly Sunny

Today 28 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny. Highs in the 60s.

Tonight 28 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Breezy. A slight chance of rain in the Evening, then a chance of rain in the late evening and early morning. Rain at Times late in the night. Rainfall Amounts a quarter to a half inch possible. Lows in the lower to mid 50s. Southeast wind 15 to 25 Mph with Gusts to 35 Mph.

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Pass Island Temperature Statistics

September Temperature

Whidbey Island Naval Air Station - Ault Field (3.7 miles)

  • Lowest 18 September, 2026

    45 °F

  • Average September

    56.3 °F

  • Highest 7 September, 2026

    69.1 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (3.7 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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