Black Lake Weather Forecast

    • 56
    • 76

    Increasing Clouds

    • 58
    • 78

    Increasing Clouds

    • 57
    • 78

    Partly Sunny

    • 65
    • 78

    Mostly Sunny

    • 65
    • 80

    Mostly Sunny

    • 61
    • 77

    Mostly Sunny

    • 58
    • 69

    Partly Sunny

Today 3 Oct San Luis Obispo County Beaches

Mostly cloudy in the morning then partly cloudy. Highs in the mid 60s to lower 70s.

Tonight 3 Oct San Luis Obispo County Beaches

Partly cloudy except for patchy low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Lows in the 50s to lower 60s.

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Black Lake Temperature Statistics

October Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (12.4 miles)

  • Lowest 1 October, 2026

    55.9 °F

  • Average October

    63 °F

  • Highest 1 October, 2026

    81 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (12.4 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    73.3 °F
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