Arcata Bay Weather Forecast

    • 53
    • 61

    Decreasing Clouds

    • 53
    • 59

    Mostly Cloudy

    • 55
    • 59

    Mostly Cloudy

    • 53
    • 59

    Mostly Cloudy

    • 53
    • 59

    Mostly Cloudy

    • 53
    • 59

    Partly Sunny

Today 26 Jul Northern Coastal Humboldt

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs 64 to 74. Northwest wind around 10 Mph.

Tonight 26 Jul Northern Coastal Humboldt

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows 47 to 57. North wind around 10 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 11 July, 2026

    47.6 °F

  • Average July

    57.3 °F

  • Highest 22 July, 2026

    70 °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

    59.7 °F
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