Sucia Islands - Mud Bay Weather Forecast

    • 52
    • 63

    Slight Chance Rain

    • 52
    • 64

    Slight Chance Rain

    • 53
    • 66

    Mostly Sunny

    • 54
    • 67

    Partly Sunny

    • 54
    • 66

    Partly Sunny

    • 55
    • 67

    Partly Sunny

Today 4 Sep San Juan County

Partly sunny. Highs in the 60s. Light wind.

Tonight 4 Sep San Juan County

Mostly cloudy. Lows in the upper 40s to mid 50s. Light wind.

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Sucia Islands - Mud Bay Temperature Statistics

September Temperature

Eastsound, Orcas Island Airport (2.5 miles)

  • Lowest 1 September, 2026

    53.6 °F

  • Average September

    60.7 °F

  • Highest 1 September, 2026

    66.2 °F

Climate (2021–2026)

Eastsound, Orcas Island Airport (2.5 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    57.8 °F
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