Orcas Island - Rosario Weather Forecast

    • 50
    • 62

    Mostly Sunny

    • 51
    • 63

    Mostly Sunny

    • 51
    • 63

    Chance Rain

    • 51
    • 60

    Chance Rain

    • 51
    • 63

    Mostly Sunny

    • 52
    • 62

    Chance Rain

    • 49
    • 59

    Chance Rain

Today 5 Oct San Juan County

Sunny. Highs in the 60s. Northwest wind around 10 Mph.

Tonight 5 Oct San Juan County

Mostly clear. Lows in the mid 40s to lower 50s. Light wind.

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Orcas Island - Rosario Temperature Statistics

October Temperature

Eastsound, Orcas Island Airport (4.3 miles)

  • Lowest 3 October, 2025

    46.4 °F

  • Average October

    57.5 °F

  • Highest 1 October, 2025

    68 °F

Climate (2020–Present)

Eastsound, Orcas Island Airport (4.3 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    57.6 °F
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