Cayucos State Beach Weather Forecast

    • 47
    • 60

    Becoming Sunny

    • 48
    • 60

    Mostly Cloudy

    • 52
    • 61

    Partly Sunny

    • 54
    • 62

    Patchy Fog

    • 53
    • 62

    Mostly Cloudy

    • 53
    • 62

    Partly Sunny

Today 24 Jan San Luis Obispo County Beaches

Cloudy in the morning then sunny. Highs in the lower to mid 60s.

Tonight 24 Jan San Luis Obispo County Beaches

Mostly clear. Lows in the 40s.

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Cayucos State Beach Temperature Statistics

January Temperature

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

  • Lowest 10 January, 2026

    35.1 °F

  • Average January

    54.6 °F

  • Highest 14 January, 2026

    81 °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 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    72.7 °F
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