Sugarloaf Island Weather Forecast

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    • 59

    Increasing Clouds

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    • 57

    Partly Sunny

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    • 56

    Mostly Cloudy

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    • 56

    Mostly Cloudy

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    Partly Sunny

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    Partly Sunny

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    Partly Sunny

Today 16 Jun Southwestern Humboldt

Mostly sunny. Highs 77 to 92. Northwest wind 5 to 15 Mph.

Tonight 16 Jun Southwestern Humboldt

Partly cloudy. Lows 50 to 60. North wind 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sugarloaf Island Temperature Statistics

June Temperature

Fortuna Rohnerville Airport (16.2 miles)

  • Lowest 1 June, 2026

    42.8 °F

  • Average June

    54.2 °F

  • Highest 3 June, 2026

    69.8 °F

Climate (2021–Present)

Fortuna Rohnerville Airport (16.2 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.7 °F
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