Orcas Island - Deer Harbor Weather Forecast

    • 56
    • 69

    Decreasing Clouds

    • 55
    • 68

    Mostly Cloudy

    • 55
    • 68

    Mostly Sunny

    • 56
    • 69

    Mostly Sunny

    • 56
    • 70

    Mostly Sunny

    • 56
    • 71

    Mostly Sunny

Today 13 Sep San Juan County

Partly sunny with a slight chance of rain in the Morning, then mostly sunny in the afternoon. Highs in the 60s. Southwest wind to 10 Mph increasing to south 10 to 20 Mph in the afternoon.

Tonight 13 Sep San Juan County

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

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  • Temperature Real-Time

Orcas Island - Deer Harbor Temperature Statistics

September Temperature

Friday Harbor Airport (6.8 miles)

  • Lowest 3 September, 2026

    48.9 °F

  • Average September

    58.8 °F

  • Highest 6 September, 2026

    73 °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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