Rosario Head Weather Forecast

    • 41
    • 48

    Chance Rain

    • 40
    • 48

    Chance Rain

    • 44
    • 48

    Rain

    • 44
    • 52

    Rain

    • 40
    • 49

    Rain Likely

    • 39
    • 50

    Slight Chance Rain

Today 21 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. A slight chance of rain in the morning. Highs in the mid 40s to lower 50s. Northwest wind to 10 Mph becoming west in the afternoon.

Tonight 21 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear with a slight chance of rain in the Evening, then mostly cloudy with a chance of rain after midnight. Lows in the mid 30s to lower 40s. Southwest wind to 10 Mph becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosario Head Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    32 °F

  • Average March

    44.9 °F

  • Highest 18 March, 2026

    57.9 °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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