Arcata Bay Weather Forecast

    • 48
    • 58

    Mostly Cloudy

    • 49
    • 61

    Mostly Cloudy

    • 50
    • 63

    Rain Showers Likely

    • 46
    • 57

    Rain Showers Likely

    • 46
    • 57

    Partly Sunny

    • 48
    • 60

    Partly Sunny

Today 29 Jan Northern Humboldt Coast

Mostly cloudy. Highs 56 to 66. Southeast wind around 5 Mph shifting to the southwest in the afternoon.

Tonight 29 Jan Northern Humboldt Coast

Mostly cloudy. Patchy fog in the evening. Lows 39 to 49. Southeast wind around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arcata Bay Temperature Statistics

January Temperature

Arcata / Eureka, Arcata Airport (9.3 miles)

  • Lowest 9 January, 2026

    33.7 °F

  • Average January

    48.4 °F

  • Highest 24 January, 2026

    69.7 °F

Climate (2021–Present)

Arcata / Eureka, Arcata Airport (9.3 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    59.3 °F
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