Sugarloaf Island Weather Forecast

    • 53
    • 56

    Mostly Cloudy

    • 54
    • 56

    Mostly Cloudy

    • 53
    • 56

    Mostly Cloudy

    • 53
    • 57

    Partly Sunny

    • 54
    • 57

    Mostly Cloudy

    • 54
    • 56

    Mostly Cloudy

    • 54
    • 56

    Cloudy

Today 24 Jul Southwestern Humboldt

Mostly sunny. Near steady temperature in the upper 60s. West wind around 10 Mph.

Tonight 24 Jul Southwestern Humboldt

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Slight chance of rain Showers in the evening. Lows 49 to 59. North wind around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sugarloaf Island Temperature Statistics

July Temperature

Fortuna Rohnerville Airport (16.2 miles)

  • Lowest 7 July, 2025

    46.4 °F

  • Average July

    55.4 °F

  • Highest 6 July, 2025

    66.2 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (16.2 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    59.4 °F
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