Skagit Bay Weather Forecast

    • 52
    • 62

    Increasing Clouds

    • 55
    • 65

    Mostly Cloudy

    • 54
    • 64

    Mostly Cloudy

    • 50
    • 62

    Mostly Cloudy

    • 51
    • 59

    Rain Likely

    • 48
    • 58

    Chance Rain

    • 49
    • 60

    Mostly Cloudy

Today 20 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

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

Tonight 20 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy. Patchy fog after midnight. Lows near 50. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Skagit Bay Temperature Statistics

September Temperature

Whidbey Island Naval Air Station - Ault Field (5.6 miles)

  • Lowest 18 September, 2026

    45 °F

  • Average September

    57.1 °F

  • Highest 7 September, 2026

    69.1 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (5.6 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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