Lopez Island - Jones Bay Weather Forecast

    • 42
    • 50

    Slight Chance Rain

    • 43
    • 51

    Increasing Clouds

    • 42
    • 51

    Partly Sunny

    • 45
    • 52

    Mostly Cloudy

    • 44
    • 53

    Mostly Cloudy

    • 45
    • 54

    Slight Chance Rain

    • 46
    • 54

    Chance Rain

Today 30 Oct San Juan County

Mostly cloudy with a chance of rain. Highs in the lower to mid 50s.

Tonight 30 Oct San Juan County

Mostly cloudy until early morning then becoming partly cloudy. A slight chance of rain in the evening. Lows in the upper 30s to mid 40s. Light wind.

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Lopez Island - Jones Bay Temperature Statistics

October Temperature

Friday Harbor Airport (7.5 miles)

  • Lowest 12 October, 2026

    41 °F

  • Average October

    51.7 °F

  • Highest 2 October, 2026

    66 °F

Climate (2021–2026)

Friday Harbor Airport (7.5 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    59.7 °F
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