Orcas Island - Rosario Weather Forecast

    • 42
    • 49

    Rain Likely

    • 42
    • 49

    Partly Sunny

    • 43
    • 48

    Partly Sunny

    • 45
    • 49

    Mostly Cloudy

    • 45
    • 51

    Mostly Cloudy

    • 46
    • 51

    Mostly Cloudy

    • 47
    • 52

    Mostly Cloudy

Today 30 Oct San Juan County

Mostly cloudy with a chance of rain. Highs in the lower to mid 50s.

Tonight 30 Oct San Juan County

Mostly cloudy until early morning then becoming partly cloudy. A slight chance of rain in the evening. Lows in the upper 30s to mid 40s. Light wind.

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Orcas Island - Rosario Temperature Statistics

October Temperature

Eastsound, Orcas Island Airport (4.3 miles)

  • Lowest 12 October, 2026

    39.2 °F

  • Average October

    52.1 °F

  • Highest 2 October, 2026

    64.4 °F

Climate (2021–2026)

Eastsound, Orcas Island Airport (4.3 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    57.8 °F
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