Cayucos State Beach Weather Forecast

    • 59
    • 70

    Becoming Sunny

    • 54
    • 67

    Partly Sunny

    • 54
    • 66

    Sunny

    • 55
    • 67

    Sunny

    • 56
    • 71

    Sunny

    • 56
    • 71

    Mostly Cloudy

Today 31 Jan San Luis Obispo County Beaches

Partly cloudy in the morning then sunny. Highs in the upper 60s to mid 70s. Northeast Winds around 15 Mph shifting to the northwest in the afternoon.

Tonight 31 Jan San Luis Obispo County Beaches

Clear. Lows in the lower to mid 50s.

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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

    34.6 °F

  • Average January

    56.3 °F

  • Highest 14 January, 2026

    81.6 °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 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    72.8 °F
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