Sugarloaf Island Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain

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    Rain

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    Rain Likely

Today 15 Dec Southwestern Humboldt

Cloudy. Chance of rain in the Morning, then rain and slight chance of Thunderstorms in the afternoon. Highs 54 to 64. Southeast wind 5 to 15 Mph.

Tonight 15 Dec Southwestern Humboldt

Rain likely in the Evening, then rain overnight. Near steady temperature in the mid 50s. South wind up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sugarloaf Island Temperature Statistics

December Temperature

Fortuna Rohnerville Airport (16.2 miles)

  • Lowest 3 December, 2025

    37.4 °F

  • Average December

    48.6 °F

  • Highest 9 December, 2025

    62.6 °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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