Rosario Head Weather Forecast

    • 48
    • 53

    Rain

    • 46
    • 51

    Rain Likely

    • 49
    • 51

    Chance Rain

    • 50
    • 53

    Rain

    • 50
    • 53

    Rain

    • 45
    • 54

    Rain

    • 43
    • 50

    Rain

Today 10 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties

Rain. Patchy fog. Rainfall Amounts one to three Inches possible. Highs in the 50s. South wind 10 to 15 Mph.

Tonight 10 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties

Rain until early Morning, then cloudy with a chance of rain late in the night. Rain may be heavy at Times in the evening. Rainfall Amounts one to three Inches possible. Lows in the mid to upper 40s. South wind 10 to 15 Mph becoming west after midnight. Gusts to 25 Mph.

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Rosario Head Temperature Statistics

December Temperature

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

  • Lowest 1 December, 2025

    34 °F

  • Average December

    45.7 °F

  • Highest 8 December, 2025

    54 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    44.5 °F

  • Average 2020–2025

    50.1 °F

  • Average High 2020–2025

    56.1 °F
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