Black Lake Weather Forecast

    • 57
    • 86

    Mostly Sunny

    • 56
    • 85

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 53
    • 77

    Mostly Cloudy

    • 52
    • 76

    Partly Sunny

Today 17 Mar San Luis Obispo County Beaches

Sunny. Highs in the 80s.

Tonight 17 Mar San Luis Obispo County Beaches

Mostly clear. Lows in the mid 50s to mid 60s.

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Black Lake Temperature Statistics

March Temperature

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

  • Lowest 7 March, 2026

    42.1 °F

  • Average March

    60.4 °F

  • Highest 12 March, 2026

    84.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    73 °F
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