Lopez Island - Barnacle Rock Weather Forecast

    • 46
    • 53

    Increasing Clouds

    • 49
    • 55

    Rain

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    • 55

    Rain

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    • 52

    Chance Rain Showers

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    • 51

    Rain Likely

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    Rain Likely

Today 30 Oct San Juan County

Mostly cloudy. Highs in the 50s. North wind around 10 Mph. Gusts to 20 Mph in the morning.

Tonight 30 Oct San Juan County

Mostly clear in the evening then becoming mostly cloudy. Lows in the 40s. North wind to 10 Mph becoming east after midnight.

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  • Temperature Real-Time

Lopez Island - Barnacle Rock Temperature Statistics

October Temperature

Friday Harbor Airport (9.9 miles)

  • Lowest 15 October, 2025

    37 °F

  • Average October

    50.9 °F

  • Highest 5 October, 2025

    64.9 °F

Climate (2020–Present)

Friday Harbor Airport (9.9 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    59.6 °F
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