Black Lake Weather Forecast

    • 50
    • 63

    Patchy Fog

    • 47
    • 63

    Partly Sunny

    • 54
    • 74

    Sunny

    • 54
    • 80

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

Today 9 Mar San Luis Obispo County Beaches

Areas of low Clouds and fog in the morning then sunny. Fog locally dense with visibility one quarter mile or less. Highs in the 60s.

Tonight 9 Mar San Luis Obispo County Beaches

Low Clouds and fog. Lows around 50.

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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

    57.3 °F

  • Highest 7 March, 2026

    75 °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

    72.9 °F
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