Cayucos State Beach Weather Forecast

    • 55
    • 61

    Cloudy

    • 55
    • 62

    Cloudy

    • 54
    • 64

    Partly Sunny

    • 53
    • 63

    Partly Sunny

    • 54
    • 62

    Partly Sunny

    • 54
    • 63

    Partly Sunny

Today 19 Jun San Luis Obispo County Beaches

Mostly cloudy. Highs in the 60s.

Tonight 19 Jun San Luis Obispo County Beaches

Cloudy. Lows in the mid to upper 50s.

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Cayucos State Beach Temperature Statistics

June Temperature

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

  • Lowest 7 June, 2026

    45.6 °F

  • Average June

    64.4 °F

  • Highest 10 June, 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

    60.9 °F

  • Average High 2021–2026

    73.2 °F
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