Lopez Island - Fisherman Bay Weather Forecast

    • 55
    • 76

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 53
    • 74

    Partly Sunny

    • 53
    • 71

    Partly Sunny

    • 53
    • 70

    Mostly Cloudy

Today 13 Aug San Juan County

Sunny. Highs in the upper 60s to mid 70s. Light wind.

Tonight 13 Aug San Juan County

Mostly clear. Lows in the 50s. Light wind.

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Lopez Island - Fisherman Bay Temperature Statistics

August Temperature

Friday Harbor Airport (4.3 miles)

  • Lowest 3 August, 2026

    48.9 °F

  • Average August

    61 °F

  • Highest 4 August, 2026

    78.1 °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

    59.6 °F
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