Sugarloaf Island Weather Forecast

    • 52
    • 56

    Decreasing Clouds

    • 54
    • 56

    Partly Sunny

    • 54
    • 59

    Slight Chance Rain

    • 53
    • 56

    Partly Sunny

    • 56
    • 58

    Chance Rain

    • 57
    • 58

    Rain Likely

Today 30 Oct Southwestern Humboldt

Mostly cloudy. Patchy fog in the morning. Highs 56 to 68. Northwest wind around 10 Mph.

Tonight 30 Oct Southwestern Humboldt

Mostly cloudy in the evening then clearing. Lows 42 to 52. North wind up to 10 Mph.

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Sugarloaf Island Temperature Statistics

October Temperature

Fortuna Rohnerville Airport (16.2 miles)

  • Lowest 27 October, 2025

    39.2 °F

  • Average October

    54.2 °F

  • Highest 6 October, 2025

    82.4 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (16.2 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.5 °F
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