Black Lake Weather Forecast

    • 44
    • 66

    Mostly Sunny

    • 45
    • 69

    Sunny

    • 48
    • 77

    Sunny

    • 50
    • 70

    Patchy Fog

    • 49
    • 68

    Sunny

    • 52
    • 73

    Sunny

Today 6 Mar San Luis Obispo County Beaches

Sunny. Highs in the 60s to around 70. North Winds around 15 Mph in the afternoon.

Tonight 6 Mar San Luis Obispo County Beaches

Mostly clear. Lows in the mid 40s to around 50. North Winds around 15 Mph.

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Black Lake Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    48.9 °F

  • Average March

    57.6 °F

  • Highest 3 March, 2026

    73 °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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