Orcas Island - Deer Harbor Weather Forecast

    • 53
    • 63

    Rain

    • 50
    • 62

    Rain

    • 50
    • 62

    Partly Sunny

    • 51
    • 64

    Mostly Cloudy

    • 51
    • 62

    Partly Sunny

    • 51
    • 61

    Partly Sunny

Today 28 Sep San Juan County

Partly sunny. Highs in the upper 50s to mid 60s. South wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 28 Sep San Juan County

Windy. Mostly cloudy. A slight chance of rain in the Evening, then a chance of rain in the late evening and early morning. Rain likely in the morning. Rainfall Amounts less than a tenth of an inch likely. Lows in the lower 50s. South wind to 10 Mph increasing to southeast 20 to 30 Mph with Gusts to 40 Mph after midnight.

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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 °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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