Orcas Island - Deer Harbor Weather Forecast

    • 55
    • 71

    Increasing Clouds

    • 55
    • 68

    Mostly Cloudy

    • 55
    • 71

    Partly Sunny

    • 55
    • 71

    Rain

    • 53
    • 69

    Rain Likely

    • 53
    • 69

    Slight Chance Rain

Today 29 Aug San Juan County

Mostly sunny. A slight chance of rain in the morning. Highs in the 60s to lower 70s. Southwest wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 29 Aug San Juan County

Partly cloudy. Lows in the upper 40s to mid 50s. Southwest wind 10 to 20 Mph.

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  • Temperature Real-Time

Orcas Island - Deer Harbor Temperature Statistics

August Temperature

Friday Harbor Airport (6.8 miles)

  • Lowest 3 August, 2026

    48.9 °F

  • Average August

    60.5 °F

  • Highest 25 August, 2026

    79 °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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