High Rock Lake Weather Forecast

    • 50
    • 83

    Becoming Sunny

    • 53
    • 85

    Sunny

    • 55
    • 91

    Sunny

    • 52
    • 91

    Sunny

    • 42
    • 82

    Breezy

    • 37
    • 64

    Mostly Sunny

Today 16 Jun Humboldt County

Mostly sunny. Highs 77 to 87. Southwest Winds 5 to 10 Mph shifting to the west 10 to 20 Mph in the afternoon.

Tonight 16 Jun Humboldt County

Mostly clear. Lows 48 to 54. Northwest Winds 10 to 15 Mph decreasing to up to 10 Mph after midnight.

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High Rock Lake Temperature Statistics

June Temperature

Alturas (67.1 miles)

  • Lowest 2 June, 2025

    38.6 °F

  • Average June

    65.7 °F

  • Highest 8 June, 2025

    94.6 °F

Climate (2020–Present)

Alturas (67.1 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    64.4 °F
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