Big Lagoon Weather Forecast

    • 41
    • 52

    Partly Sunny

    • 43
    • 54

    Mostly Sunny

    • 43
    • 54

    Mostly Sunny

    • 45
    • 55

    Mostly Cloudy

    • 44
    • 54

    Rain

    • 42
    • 52

    Rain Likely

Today 28 Dec Northern Humboldt Coast

Mostly sunny. Areas of frost. Highs 49 to 59. Northeast wind around 5 Mph.

Tonight 28 Dec Northern Humboldt Coast

Partly cloudy. Lows 34 to 44. East wind around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lagoon Temperature Statistics

December Temperature

Arcata / Eureka, Arcata Airport (12.4 miles)

  • Lowest 1 December, 2025

    37 °F

  • Average December

    49.5 °F

  • Highest 16 December, 2025

    61 °F

Climate (2020–Present)

Arcata / Eureka, Arcata Airport (12.4 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    59.3 °F
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