Rosario Head Weather Forecast

    • 32
    • 48

    Mostly Sunny

    • 33
    • 47

    Decreasing Clouds

    • 33
    • 46

    Partly Sunny

    • 40
    • 47

    Mostly Cloudy

    • 40
    • 47

    Mostly Cloudy

    • 42
    • 46

    Chance Rain

    • 36
    • 46

    Chance Rain

Today 17 Jan Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the upper 40s to mid 50s. Light wind.

Tonight 17 Jan Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Patchy dense fog late in the night. Lows in the upper 20s to mid 30s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosario Head Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    30 °F

  • Average January

    45.2 °F

  • Highest 13 January, 2026

    55 °F

Climate (2021–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    56.1 °F
Get WillyWeather+ to remove ads