Lopez Island - Fisherman Bay Weather Forecast

    • 51
    • 67

    Increasing Clouds

    • 51
    • 68

    Chance Rain

    • 51
    • 68

    Partly Sunny

    • 51
    • 70

    Mostly Sunny

    • 52
    • 68

    Partly Sunny

    • 52
    • 67

    Partly Sunny

    • 53
    • 70

    Mostly Sunny

Today 3 Sep San Juan County

Mostly sunny. A slight chance of Showers in the morning. Highs in the 60s. Southeast wind 10 to 20 Mph.

Tonight 3 Sep San Juan County

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

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Lopez Island - Fisherman Bay Temperature Statistics

September Temperature

Friday Harbor Airport (4.3 miles)

  • Lowest 1 September, 2026

    50 °F

  • Average September

    57.1 °F

  • Highest 1 September, 2026

    64 °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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