Arcata Bay Weather Forecast

    • 52
    • 57

    Rain Showers

    • 46
    • 54

    Rain Showers

    • 50
    • 56

    Slight Chance Rain Showers

    • 52
    • 60

    Slight Chance Rain Showers

    • 51
    • 59

    Mostly Cloudy

    • 51
    • 59

    Mostly Cloudy

Today 25 Oct Northern Humboldt Coast

Rain Showers in the morning. Slight chance of Thunderstorms through the day. Chance of rain Showers in the afternoon. Highs 54 to 64. South wind 10 to 20 Mph with Gusts to around 35 Mph.

Tonight 25 Oct Northern Humboldt Coast

Cloudy. Chance of rain Showers in the Evening, then rain Showers overnight. Lows 43 to 53. South wind up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arcata Bay Temperature Statistics

October Temperature

Arcata / Eureka, Arcata Airport (9.3 miles)

  • Lowest 20 October, 2025

    41 °F

  • Average October

    54.2 °F

  • Highest 21 October, 2025

    75 °F

Climate (2020–Present)

Arcata / Eureka, Arcata Airport (9.3 miles)

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  • Average Low 2020–2025

    45.2 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    59.2 °F
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