Arcata Airport Weather Forecast

    • 48
    • 60

    Rain

    • 43
    • 57

    Rain

    • 47
    • 59

    Chance Rain Showers

    • 49
    • 64

    Slight Chance Rain Showers

    • 46
    • 61

    Mostly Cloudy

    • 47
    • 60

    Mostly Cloudy

Today 25 Oct Northern Humboldt Coast

Rain Showers and slight chance of Thunderstorms in the Morning, then rain Showers likely in the afternoon. Highs 54 to 64. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 25 Oct Northern Humboldt Coast

Rain Showers likely in the Evening, then rain overnight. Lows 43 to 53. South wind 5 to 15 Mph.

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Arcata Airport Temperature Statistics

October Temperature

Arcata / Eureka, Arcata Airport (0 miles)

  • Lowest 20 October, 2025

    41 °F

  • Average October

    54.1 °F

  • Highest 21 October, 2025

    75 °F

Climate (2020–Present)

Arcata / Eureka, Arcata Airport (0 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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