Cayucos State Beach Weather Forecast

    • 53
    • 72

    Patchy Fog

    • 51
    • 68

    Patchy Fog

    • 55
    • 67

    Chance Rain Showers

    • 56
    • 64

    Rain Showers Likely

    • 55
    • 63

    Chance Rain Showers

    • 55
    • 64

    Mostly Sunny

Today 18 Oct San Luis Obispo County Beaches

Sunny. Highs from around 70 at the Beaches to around 80 inland.

Tonight 18 Oct San Luis Obispo County Beaches

Low Clouds and fog. Lows in the lower 50s.

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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

    69.9 °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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