Humboldt Bay - Fairhaven Weather Forecast

    • 54
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    Rain

    • 45
    • 56

    Rain

    • 49
    • 52

    Rain

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    • 55

    Rain

    • 44
    • 52

    Rain Likely

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    • 50

    Rain Likely

Today 18 Dec Northern Humboldt Coast

Cloudy. Rain likely in the Morning, then chance of rain in the afternoon. Highs 53 to 63. Southeast wind 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 18 Dec Northern Humboldt Coast

Rain. Lows 46 to 56. South wind 10 to 20 Mph with Gusts to around 45 Mph.

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Humboldt Bay - Fairhaven Temperature Statistics

December Temperature

Arcata / Eureka, Arcata Airport (13.7 miles)

  • Lowest 1 December, 2025

    37 °F

  • Average December

    48.3 °F

  • Highest 15 December, 2025

    60.1 °F

Climate (2020–Present)

Arcata / Eureka, Arcata Airport (13.7 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    59.3 °F
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