Orcas Island - Deer Harbor Weather Forecast

    • 51
    • 64

    Rain

    • 50
    • 64

    Partly Sunny

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    • 64

    Partly Sunny

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    • 65

    Rain Likely

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    Chance Rain

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    • 63

    Chance Rain

Today 25 Sep San Juan County

Breezy. Showers and a slight chance of Thunderstorms. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Highs in the upper 50s to mid 60s. North wind 15 to 25 Mph becoming west with Gusts to 40 Mph in the afternoon.

Tonight 25 Sep San Juan County

Mostly clear. A slight chance of Showers in the evening. Lows in the mid 40s to lower 50s. Southwest wind 10 to 20 Mph. Gusts to 35 Mph in the evening.

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Orcas Island - Deer Harbor Temperature Statistics

September Temperature

Friday Harbor Airport (6.8 miles)

  • Lowest 21 September, 2026

    46 °F

  • Average September

    57.6 °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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