Cayucos State Beach Weather Forecast

    • 55
    • 63

    Increasing Clouds

    • 56
    • 66

    Partly Sunny

    • 57
    • 64

    Sunny

    • 58
    • 70

    Sunny

    • 58
    • 75

    Mostly Sunny

    • 59
    • 73

    Partly Sunny

Today 6 May San Luis Obispo County Beaches

Partly cloudy in the morning then sunny. Highs in the mid 60s to around 70. West Winds 15 to 25 Mph in the afternoon.

Tonight 6 May San Luis Obispo County Beaches

Partly cloudy early then low Clouds and fog. Lows in the upper 40s to mid 50s. Northwest Winds around 15 Mph in the evening.

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Cayucos State Beach Temperature Statistics

May Temperature

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

  • Lowest 4 May, 2026

    46 °F

  • Average May

    58.8 °F

  • Highest 1 May, 2026

    70.6 °F

Climate (2021–Present)

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

    60.8 °F

  • Average High 2021–2026

    73.2 °F
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