Skagit Bay Weather Forecast

    • 53
    • 62

    Becoming Sunny

    • 56
    • 72

    Mostly Sunny

    • 53
    • 64

    Partly Sunny

    • 52
    • 62

    Mostly Sunny

    • 53
    • 65

    Mostly Sunny

    • 54
    • 64

    Chance Rain

Today 15 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny in the morning then becoming sunny. Patchy dense fog in the morning. Highs in the 60s to lower 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 15 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the upper 40s to mid 50s. Northwest wind to 10 Mph in the evening becoming light.

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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 10 September, 2025

    50 °F

  • Average September

    56.8 °F

  • Highest 12 September, 2025

    66 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    50.1 °F

  • Average High 2020–2025

    56.1 °F
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