High Rock Lake Weather Forecast

    • 61
    • 98

    Smoke

    • 60
    • 98

    Hot

    • 58
    • 96

    Mostly Sunny

    • 58
    • 93

    Mostly Sunny

    • 57
    • 91

    Partly Sunny

    • 56
    • 89

    Mostly Cloudy

Today 8 Aug Humboldt County

Mostly sunny. Areas of smoke in the morning. Patchy smoke in the afternoon. Highs 92 to 102. West Winds up to 5 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 8 Aug Humboldt County

Mostly clear. Patchy smoke in the Evening, then Areas of smoke after midnight. Lows 62 to 68. Northwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

High Rock Lake Temperature Statistics

August Temperature

Alturas (67.1 miles)

  • Lowest 4 August, 2026

    43.6 °F

  • Average August

    75.8 °F

  • Highest 6 August, 2026

    98.1 °F

Climate (2021–2026)

Alturas (67.1 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    64.8 °F
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