Big Lagoon Weather Forecast

    • 50
    • 60

    Increasing Clouds

    • 50
    • 61

    Mostly Cloudy

    • 48
    • 59

    Mostly Cloudy

    • 48
    • 58

    Mostly Cloudy

    • 49
    • 58

    Mostly Cloudy

    • 48
    • 59

    Mostly Cloudy

    • 48
    • 58

    Partly Sunny

Today 4 Jul Northern Coastal Humboldt

Mostly cloudy until early afternoon then clearing. Patchy fog in the morning. Highs 61 to 75. Northwest wind around 10 Mph.

Tonight 4 Jul Northern Coastal Humboldt

Partly cloudy early in the evening then becoming mostly cloudy. Patchy fog overnight. Lows 47 to 57. Northwest wind around 10 Mph shifting to the southwest overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lagoon Temperature Statistics

July Temperature

Arcata / Eureka, Arcata Airport (12.4 miles)

  • Lowest 1 July, 2026

    50 °F

  • Average July

    55.6 °F

  • Highest 1 July, 2026

    66 °F

Climate (2021–2026)

Arcata / Eureka, Arcata Airport (12.4 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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