Lopez Island - Fisherman Bay Weather Forecast

    • 51
    • 68

    Decreasing Clouds

    • 52
    • 68

    Partly Sunny

    • 51
    • 70

    Partly Sunny

    • 51
    • 66

    Partly Sunny

    • 51
    • 65

    Mostly Cloudy

    • 51
    • 66

    Chance Rain

Today 19 Sep San Juan County

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

Tonight 19 Sep San Juan County

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

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  • Temperature Real-Time

Lopez Island - Fisherman Bay Temperature Statistics

September Temperature

Friday Harbor Airport (4.3 miles)

  • Lowest 3 September, 2026

    48.9 °F

  • Average September

    58.5 °F

  • Highest 6 September, 2026

    73 °F

Climate (2021–2026)

Friday Harbor Airport (4.3 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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