Black Lake Weather Forecast

    • 59
    • 66

    Patchy Fog

    • 58
    • 67

    Mostly Cloudy

    • 58
    • 67

    Partly Sunny

    • 59
    • 69

    Partly Sunny

    • 60
    • 70

    Partly Sunny

    • 61
    • 72

    Partly Sunny

Today 22 Aug San Luis Obispo County Beaches

Areas of low Clouds and fog in the morning then sunny. Highs from the mid 60s to around 70 at the Beaches to the mid 70s to mid 80s inland. Northwest Winds 15 to 25 Mph in the afternoon.

Tonight 22 Aug San Luis Obispo County Beaches

Mostly clear except for patchy low Clouds and fog after midnight. Lows around 60. Northwest Winds around 15 Mph in the evening.

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Black Lake Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    52.6 °F

  • Average August

    69.1 °F

  • Highest 9 August, 2026

    85.6 °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 °F

  • Average High 2021–2026

    73.2 °F
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