Mad River Beach Weather Forecast

    • 53
    • 67

    Increasing Clouds

    • 54
    • 66

    Partly Sunny

    • 53
    • 66

    Partly Sunny

    • 53
    • 62

    Mostly Cloudy

    • 53
    • 62

    Areas Fog

    • 54
    • 62

    Areas Fog

Today 10 Aug Northern Coastal Humboldt

Mostly cloudy in the morning then clearing. Highs 65 to 78. North wind around 10 Mph.

Tonight 10 Aug Northern Coastal Humboldt

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog overnight. Lows 48 to 58. North wind around 10 Mph.

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  • Temperature Real-Time

Mad River Beach Temperature Statistics

August Temperature

Arcata / Eureka, Arcata Airport (3.1 miles)

  • Lowest 3 August, 2026

    47.6 °F

  • Average August

    58.6 °F

  • Highest 1 August, 2026

    71.7 °F

Climate (2021–2026)

Arcata / Eureka, Arcata Airport (3.1 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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