Orcas Island - Rosario Weather Forecast

    • 32
    • 40

    Partly Sunny

    • 32
    • 41

    Mostly Sunny

    • 34
    • 40

    Mostly Cloudy

    • 33
    • 40

    Mostly Cloudy

    • 34
    • 41

    Mostly Cloudy

    • 36
    • 42

    Chance Rain

Today 18 Jan San Juan County

Mostly sunny. Highs in the upper 30s to mid 40s. Northeast wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 18 Jan San Juan County

Mostly clear. Lows in the upper 20s to mid 30s. North wind around 10 Mph in the evening becoming light.

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Orcas Island - Rosario Temperature Statistics

January Temperature

Eastsound, Orcas Island Airport (4.3 miles)

  • Lowest 7 January, 2025

    35.6 °F

  • Average January

    42.5 °F

  • Highest 9 January, 2025

    50 °F

Climate (2020–Present)

Eastsound, Orcas Island Airport (4.3 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    57.5 °F
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