Cayucos State Beach Weather Forecast

    • 58
    • 67

    Increasing Clouds

    • 58
    • 66

    Partly Sunny

    • 53
    • 63

    Partly Sunny

    • 54
    • 66

    Partly Sunny

    • 54
    • 65

    Partly Sunny

    • 55
    • 66

    Partly Sunny

Today 31 Jul San Luis Obispo County Beaches

Sunny except for patchy low Clouds and fog in the morning. Highs from the upper 60s to mid 70s at the Beaches to the mid 80s to mid 90s inland. Northwest Winds around 15 Mph in the afternoon.

Tonight 31 Jul San Luis Obispo County Beaches

Low Clouds and fog developing. Lows in the mid 50s to mid 60s. Northwest Winds around 15 Mph in the evening.

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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

    67.7 °F

  • Highest 21 July, 2026

    90.6 °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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