Orcas Island - Deer Harbor Weather Forecast

    • 54
    • 68

    Partly Sunny

    • 53
    • 66

    Mostly Cloudy

    • 53
    • 64

    Chance Rain

    • 52
    • 65

    Chance Rain

    • 51
    • 63

    Partly Sunny

Today 22 Sep San Juan County

Mostly sunny. Highs in the 60s. Light wind becoming south to 10 Mph in the afternoon.

Tonight 22 Sep San Juan County

Mostly cloudy. A slight chance of rain after midnight. Lows in the upper 40s to mid 50s. Southwest wind to 10 Mph becoming south after midnight.

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Orcas Island - Deer Harbor Temperature Statistics

September Temperature

Friday Harbor Airport (6.8 miles)

  • Lowest 19 September, 2026

    48 °F

  • Average September

    58 °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

    59.7 °F
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