Orcas Island - Deer Harbor Weather Forecast

    • 51
    • 65

    Increasing Clouds

    • 51
    • 62

    Mostly Cloudy

    • 51
    • 61

    Partly Sunny

    • 51
    • 62

    Partly Sunny

    • 51
    • 61

    Mostly Cloudy

    • 49
    • 60

    Chance Rain

Today 4 Oct San Juan County

Mostly sunny. Areas of dense fog in the morning. Highs in the 60s. Light wind.

Tonight 4 Oct San Juan County

Partly cloudy. Lows in the mid 40s to lower 50s. Light wind.

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Orcas Island - Deer Harbor Temperature Statistics

October Temperature

Friday Harbor Airport (6.8 miles)

  • Lowest 1 October, 2026

    46 °F

  • Average October

    56 °F

  • Highest 2 October, 2026

    66 °F

Climate (2021–2026)

Friday Harbor Airport (6.8 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.7 °F
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