Klopp Lake Weather Forecast

    • 56
    • 65

    Mostly Cloudy

    • 56
    • 64

    Mostly Cloudy

    • 55
    • 66

    Slight Chance Rain

    • 55
    • 65

    Slight Chance Rain

    • 57
    • 67

    Mostly Cloudy

Today 17 Sep Northern Humboldt Coast

Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs 65 to 75. Northwest wind 5 to 15 Mph.

Tonight 17 Sep Northern Humboldt Coast

Mostly cloudy. Patchy fog overnight. Lows 50 to 60. West wind around 10 Mph.

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Klopp Lake Temperature Statistics

September Temperature

Arcata / Eureka, Arcata Airport (8.1 miles)

  • Lowest 8 September, 2025

    51.1 °F

  • Average September

    59.1 °F

  • Highest 8 September, 2025

    70 °F

Climate (2020–Present)

Arcata / Eureka, Arcata Airport (8.1 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    59.3 °F
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