Lopez Island - Fisherman Bay Weather Forecast

    • 54
    • 73

    Mostly Cloudy

    • 55
    • 72

    Chance Rain

    • 52
    • 72

    Rain Likely

    • 50
    • 68

    Chance Rain

    • 51
    • 65

    Partly Sunny

    • 52
    • 67

    Partly Sunny

    • 52
    • 68

    Mostly Cloudy

Today 31 Aug San Juan County

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

Tonight 31 Aug San Juan County

Mostly cloudy in the evening then becoming partly cloudy. Lows in the 50s. Northwest wind to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Lopez Island - Fisherman Bay Temperature Statistics

August Temperature

Friday Harbor Airport (4.3 miles)

  • Lowest 3 August, 2026

    48.9 °F

  • Average August

    60.4 °F

  • Highest 25 August, 2026

    79 °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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