Cayucos State Beach Weather Forecast

    • 55
    • 64

    Decreasing Clouds

    • 55
    • 64

    Decreasing Clouds

    • 55
    • 62

    Mostly Cloudy

    • 55
    • 63

    Mostly Cloudy

    • 54
    • 62

    Mostly Cloudy

    • 54
    • 60

    Mostly Cloudy

    • 54
    • 60

    Mostly Cloudy

Today 8 Aug San Luis Obispo County Beaches

Low Clouds and fog in the morning then partly cloudy. Fog locally dense with visibility one quarter mile or less. Highs from the mid 60s to around 70 at the Beaches to around 80 inland.

Tonight 8 Aug San Luis Obispo County Beaches

Low Clouds and fog developing. Fog locally dense with visibility one quarter mile or less. Lows in the mid to upper 50s.

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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

    67.5 °F

  • Highest 1 August, 2026

    82.7 °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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