Rosario Beach Weather Forecast

    • 49
    • 58

    Rain Showers

    • 51
    • 61

    Rain Showers Likely

    • 52
    • 64

    Partly Sunny

    • 52
    • 67

    Mostly Sunny

    • 53
    • 69

    Partly Sunny

    • 53
    • 66

    Mostly Cloudy

Today 20 Jun Lowlands of Western Skagit and Northwestern Snohomish Counties

Showers likely in the Morning, then cloudy with a chance of Showers in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the upper 50s to mid 60s. South wind 10 to 15 Mph.

Tonight 20 Jun Lowlands of Western Skagit and Northwestern Snohomish Counties

A slight chance of Showers in the Evening, then a chance of Showers late in the evening. Showers after midnight. Rainfall Amounts a quarter to a half inch possible. Lows in the mid 40s to lower 50s. Southwest wind 10 to 15 Mph becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosario Beach Temperature Statistics

June Temperature

Whidbey Island Naval Air Station - Ault Field (4.3 miles)

  • Lowest 2 June, 2025

    43 °F

  • Average June

    56.1 °F

  • Highest 8 June, 2025

    73.9 °F

Climate (2020–Present)

Whidbey Island Naval Air Station - Ault Field (4.3 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    56.3 °F
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