Trinidad Bay Weather Forecast

    • 54
    • 73

    Increasing Clouds

    • 53
    • 72

    Mostly Cloudy

    • 52
    • 72

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 53
    • 68

    Partly Sunny

    • 53
    • 66

    Partly Sunny

    • 53
    • 67

    Partly Sunny

Today 31 Jul Northern Coastal Humboldt

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs 65 to 76. Northwest wind around 10 Mph.

Tonight 31 Jul Northern Coastal Humboldt

Mostly cloudy. Lows 49 to 59. North wind up to 10 Mph.

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Trinidad Bay Temperature Statistics

July Temperature

Arcata / Eureka, Arcata Airport (5 miles)

  • Lowest 11 July, 2026

    47.6 °F

  • Average July

    57.9 °F

  • Highest 22 July, 2026

    72.6 °F

Climate (2021–2026)

Arcata / Eureka, Arcata Airport (5 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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