Eureka Weather Forecast

    • 53
    • 66

    Decreasing Clouds

    • 54
    • 67

    Patchy Fog

    • 54
    • 65

    Mostly Cloudy

    • 54
    • 64

    Partly Sunny

    • 54
    • 65

    Mostly Cloudy

    • 54
    • 66

    Partly Sunny

Today 17 Aug Northern Humboldt Coast

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

Tonight 17 Aug Northern Humboldt Coast

Partly cloudy. Patchy fog. Lows 48 to 58. Northwest wind around 10 Mph.

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Eureka Temperature Statistics

August Temperature

Arcata / Eureka, Arcata Airport (11.8 miles)

  • Lowest 11 August, 2018

    48.9 °F
  • Average August

    56.6 °F
  • Highest 11 August, 2018

    69.1 °F

Climate (2010–Present)

Arcata / Eureka, Arcata Airport (11.8 miles)

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  • Average Low 2010–Present

    46.2 °F
  • Average 2010–Present

    52.6 °F
  • Average High 2010–Present

    59.8 °F
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