Rosario Head Weather Forecast

    • 53
    • 61

    Mostly Cloudy

    • 53
    • 62

    Mostly Cloudy

    • 51
    • 58

    Chance Rain

    • 50
    • 56

    Mostly Cloudy

    • 50
    • 56

    Chance Rain

    • 51
    • 57

    Chance Rain

Today 26 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Areas of fog in the morning. Highs in the upper 60s to mid 70s. Light wind.

Tonight 26 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy. Lows in the 50s. Light wind.

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Rosario Head Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    48 °F

  • Average August

    56.9 °F

  • Highest 5 August, 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

    56 °F
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