Cayucos State Beach Weather Forecast

    • 65
    • 76

    Mostly Sunny

    • 63
    • 75

    Mostly Sunny

    • 67
    • 76

    Mostly Sunny

    • 67
    • 83

    Mostly Sunny

    • 63
    • 80

    Mostly Sunny

    • 60
    • 72

    Partly Sunny

Today 4 Oct San Luis Obispo County Beaches

Sunny except for patchy low Clouds and fog in the morning. Fog locally dense with visibility one quarter mile or less. Highs from the mid 70s to around 80 at the Beaches to around 90 inland.

Tonight 4 Oct San Luis Obispo County Beaches

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

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Cayucos State Beach Temperature Statistics

October Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (20.5 miles)

  • Lowest 1 October, 2026

    55.9 °F

  • Average October

    63 °F

  • Highest 1 October, 2026

    81 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (20.5 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    73.3 °F
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