Orcas Island - Deer Harbor Weather Forecast

    • 58
    • 74

    Increasing Clouds

    • 56
    • 73

    Mostly Cloudy

    • 55
    • 71

    Mostly Cloudy

    • 54
    • 68

    Partly Sunny

    • 54
    • 68

    Mostly Cloudy

    • 55
    • 69

    Slight Chance Rain

Today 26 Aug San Juan County

Mostly sunny. Highs in the mid 60s to lower 70s. South wind around 10 Mph.

Tonight 26 Aug San Juan County

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 50s. Southwest wind to 10 Mph in the evening becoming light.

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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

    60.1 °F

  • Highest 4 August, 2026

    78.1 °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

    59.6 °F
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