Cayucos State Beach Weather Forecast

    • 57
    • 62

    Decreasing Clouds

    • 56
    • 65

    Mostly Sunny

    • 56
    • 65

    Partly Sunny

    • 54
    • 65

    Partly Sunny

    • 55
    • 67

    Partly Sunny

    • 55
    • 65

    Mostly Cloudy

    • 54
    • 62

    Mostly Cloudy

Today 23 Oct San Luis Obispo County Beaches

Mostly cloudy in the morning then partly cloudy. A 20 percent chance of Showers. Highs in the lower to mid 60s.

Tonight 23 Oct San Luis Obispo County Beaches

Mostly cloudy in the evening then mostly clear. Lows in the lower to mid 50s. North Winds around 15 Mph in the evening.

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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 13 October, 2026

    45.6 °F

  • Average October

    69.8 °F

  • Highest 3 October, 2026

    99.6 °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

    50.3 °F

  • Average 2021–2026

    61.2 °F

  • Average High 2021–2026

    73.4 °F
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