Rosario Head Weather Forecast

    • 50
    • 58

    Gradual Clearing

    • 52
    • 59

    Mostly Cloudy

    • 49
    • 57

    Rain Likely

    • 46
    • 55

    Partly Sunny

    • 45
    • 55

    Mostly Sunny

    • 47
    • 55

    Partly Sunny

Today 7 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny until late afternoon then becoming sunny. Areas of fog in the morning. Highs in the 60s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 7 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 40s to lower 50s. Light wind.

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Rosario Head Temperature Statistics

October Temperature

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

  • Lowest 4 October, 2026

    45 °F

  • Average October

    54.7 °F

  • Highest 5 October, 2026

    64.9 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (3.7 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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