Sugarloaf Island Weather Forecast

    • 50
    • 51

    Increasing Clouds

    • 50
    • 55

    Mostly Cloudy

    • 50
    • 53

    Breezy

    • 50
    • 53

    Partly Sunny

    • 50
    • 54

    Partly Sunny

    • 51
    • 54

    Partly Sunny

Today 18 May Southwestern Humboldt

Mostly cloudy in the morning then clearing. Highs 54 to 69. North wind 5 to 15 Mph with Gusts at higher Elevations to around 30 Mph.

Tonight 18 May Southwestern Humboldt

Partly cloudy. Lows 40 to 50. North wind 5 to 15 Mph with Gusts at higher Elevations to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sugarloaf Island Temperature Statistics

May Temperature

Fortuna Rohnerville Airport (16.2 miles)

  • Lowest 5 May, 2025

    39.2 °F

  • Average May

    50.4 °F

  • Highest 2 May, 2025

    60.8 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (16.2 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.5 °F
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