Lopez Island - Fisherman Bay Weather Forecast

    • 54
    • 72

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

    • 52
    • 69

    Partly Sunny

    • 52
    • 70

    Partly Sunny

    • 52
    • 70

    Slight Chance Rain

Today 16 Sep San Juan County

Sunny. Patchy fog in the morning. Highs in the mid 60s to lower 70s. Light wind becoming north to 10 Mph in the afternoon.

Tonight 16 Sep San Juan County

Mostly clear. Lows in the 50s. Light wind becoming northwest to 10 Mph after midnight.

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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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