Rosario Head Weather Forecast

    • 41
    • 46

    Rain

    • 40
    • 44

    Rain

    • 42
    • 45

    Rain Likely

    • 43
    • 47

    Chance Rain

    • 44
    • 48

    Rain Likely

    • 45
    • 49

    Chance Rain

    • 45
    • 50

    Chance Rain

Today 6 Jan Lowlands of Western Skagit and Northwestern Snohomish Counties

Windy, rain. Rainfall Amounts a half inch to one inch possible. Highs in the 40s. South wind 20 to 35 Mph with Gusts to 45 Mph.

Tonight 6 Jan Lowlands of Western Skagit and Northwestern Snohomish Counties

Breezy. Mostly cloudy with rain likely in the Evening, then mostly cloudy with a chance of rain after midnight. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the mid 30s to lower 40s. Southwest wind 10 to 20 Mph becoming west 15 to 25 Mph after midnight.

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Rosario Head Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    30 °F

  • Average January

    43.6 °F

  • Highest 3 January, 2026

    53.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    56.1 °F
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