Arcata Bay Weather Forecast

    • 52
    • 56

    Mostly Cloudy

    • 54
    • 59

    Partly Sunny

    • 53
    • 61

    Partly Sunny

    • 53
    • 57

    Mostly Cloudy

    • 56
    • 60

    Mostly Cloudy

    • 56
    • 61

    Partly Sunny

Today 5 Jul Northern Humboldt Coast

Mostly cloudy until early afternoon then becoming partly cloudy. Slight chance of drizzle and patchy fog in the morning. Highs 58 to 69. Northwest wind around 10 Mph.

Tonight 5 Jul Northern Humboldt Coast

Mostly cloudy. Lows 44 to 54. Northwest wind around 10 Mph.

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Arcata Bay Temperature Statistics

July Temperature

Arcata / Eureka, Arcata Airport (9.3 miles)

  • Lowest 3 July, 2025

    51.1 °F

  • Average July

    54.1 °F

  • Highest 1 July, 2025

    59 °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

    59.3 °F
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