Black Lake Weather Forecast

    • 51
    • 88

    Dense Fog

    • 49
    • 76

    Mostly Sunny

    • 51
    • 78

    Mostly Cloudy

    • 50
    • 75

    Partly Sunny

    • 49
    • 73

    Partly Sunny

    • 48
    • 73

    Mostly Cloudy

    • 51
    • 70

    Slight Chance Rain

Today 24 Mar San Luis Obispo County Beaches

Sunny. Highs from the upper 60s to mid 70s at the Beaches to the 80s to around 90 inland. North Winds around 15 Mph shifting to the northwest in the afternoon.

Tonight 24 Mar San Luis Obispo County Beaches

Clear except for patchy low Clouds and fog after midnight. Fog locally dense with visibility one quarter mile or less. Lows in the 50s to around 60. North Winds around 15 Mph after midnight.

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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

    64.9 °F

  • Highest 17 March, 2026

    97.6 °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

    60.6 °F

  • Average High 2021–2026

    73.1 °F
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