San Juan Island - Point Joe Weather Forecast

    • 48
    • 58

    Mostly Cloudy

    • 48
    • 59

    Partly Sunny

    • 49
    • 60

    Partly Sunny

    • 46
    • 58

    Slight Chance Rain

    • 45
    • 57

    Mostly Sunny

    • 44
    • 57

    Mostly Sunny

Today 6 Oct San Juan County

Partly sunny with a slight chance of rain. Highs in the upper 50s.

Tonight 6 Oct San Juan County

Mostly cloudy. Areas of fog after midnight. Lows in the mid 40s to lower 50s. Light wind.

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San Juan Island - Point Joe Temperature Statistics

October Temperature

Friday Harbor Airport (3.7 miles)

  • Lowest 1 October, 2026

    46 °F

  • Average October

    56.4 °F

  • Highest 2 October, 2026

    66 °F

Climate (2021–2026)

Friday Harbor Airport (3.7 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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