Freshwater Lagoon Weather Forecast

    • 54
    • 71

    Partly Sunny

    • 53
    • 71

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 55
    • 73

    Partly Sunny

    • 55
    • 67

    Partly Sunny

    • 54
    • 65

    Mostly Cloudy

Today 8 Aug Northern Coastal Humboldt

Mostly cloudy in the morning then clearing. Patchy dense fog in the morning. Highs 66 to 81. Northwest wind around 10 Mph.

Tonight 8 Aug Northern Coastal Humboldt

Partly cloudy. Lows 48 to 58. West wind around 10 Mph.

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Freshwater Lagoon Temperature Statistics

August Temperature

Arcata / Eureka, Arcata Airport (19.9 miles)

  • Lowest 3 August, 2026

    47.6 °F

  • Average August

    59 °F

  • Highest 1 August, 2026

    71.7 °F

Climate (2021–2026)

Arcata / Eureka, Arcata Airport (19.9 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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