Cayucos State Beach Weather Forecast

    • 53
    • 64

    Cloudy

    • 53
    • 62

    Mostly Cloudy

    • 54
    • 61

    Mostly Cloudy

    • 56
    • 64

    Mostly Cloudy

    • 57
    • 68

    Mostly Cloudy

    • 56
    • 68

    Partly Sunny

Today 14 Aug San Luis Obispo County Beaches

Cloudy. Highs from the mid 60s at the Beaches to the mid 70s inland. West Winds around 15 Mph in the afternoon.

Tonight 14 Aug San Luis Obispo County Beaches

Mostly cloudy. Lows in the lower to mid 50s. West Winds around 15 Mph in the evening.

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Cayucos State Beach Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    52.6 °F

  • Average August

    69.3 °F

  • Highest 9 August, 2026

    85.6 °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

    50.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    73.2 °F
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