Rosario Head Weather Forecast

    • 41
    • 46

    Rain

    • 36
    • 45

    Rain

    • 36
    • 41

    Mostly Cloudy

    • 38
    • 42

    Mostly Cloudy

    • 39
    • 44

    Mostly Cloudy

    • 41
    • 45

    Mostly Cloudy

Today 25 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy in the Morning, then a slight chance of rain early in the afternoon. Mostly cloudy with rain likely late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the 40s. North wind to 10 Mph.

Tonight 25 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties

Rain at Times 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. Light wind.

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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

    46.8 °F
  • Highest 15 December, 2025

    61 °F

Climate (2020–Present)

Whidbey Island Naval Air Station - Ault Field (3.7 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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