Arcata Bay Weather Forecast

    • 52
    • 58

    Mostly Cloudy

    • 51
    • 58

    Gradual Clearing

    • 52
    • 58

    Mostly Cloudy

    • 51
    • 58

    Mostly Cloudy

    • 52
    • 57

    Mostly Cloudy

    • 52
    • 58

    Patchy Fog

    • 53
    • 58

    Patchy Fog

Today 11 Jul Northern Coastal Humboldt

Mostly cloudy. Highs 60 to 71. Northwest wind 5 to 15 Mph.

Tonight 11 Jul Northern Coastal Humboldt

Cloudy. Patchy fog overnight. Lows 46 to 56. Northwest wind 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arcata Bay Temperature Statistics

July Temperature

Arcata / Eureka, Arcata Airport (9.3 miles)

  • Lowest 1 July, 2026

    50.6 °F

  • Average July

    56.7 °F

  • Highest 1 July, 2026

    67.6 °F

Climate (2021–2026)

Arcata / Eureka, Arcata Airport (9.3 miles)

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  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    59.6 °F
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