Cayucos State Beach Weather Forecast

    • 59
    • 64

    Slight Chance Thunderstorms

    • 61
    • 66

    Slight Chance Thunderstorms

    • 62
    • 69

    Patchy Fog

    • 61
    • 73

    Partly Sunny

    • 60
    • 73

    Mostly Sunny

    • 57
    • 70

    Partly Sunny

    • 58
    • 65

    Mostly Cloudy

Today 11 Jul San Luis Obispo County Beaches

Partly cloudy except for patchy low Clouds and fog. Highs from the mid 60s to around 70 at the Beaches to the mid 70s to around 80 inland.

Tonight 11 Jul San Luis Obispo County Beaches

Cloudy. Patchy fog after midnight. A 20 percent chance of Thunderstorms in the evening. Lows around 60.

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Cayucos State Beach Temperature Statistics

July Temperature

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

  • Lowest 3 July, 2026

    51.7 °F

  • Average July

    64.3 °F

  • Highest 4 July, 2026

    78.7 °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

    60.9 °F

  • Average High 2021–2026

    73.2 °F
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