Cayucos State Beach Weather Forecast

    • 56
    • 68

    Chance Thunderstorms

    • 53
    • 67

    Partly Sunny

    • 51
    • 61

    Mostly Cloudy

    • 48
    • 56

    Partly Sunny

    • 50
    • 59

    Partly Sunny

    • 54
    • 63

    Partly Sunny

Today 28 Aug San Luis Obispo County Beaches

Mostly cloudy with a 30 percent chance of Showers and Thunderstorms. Highs from the mid 60s to lower 70s at the Beaches to the mid 70s to mid 80s inland. Northwest Winds around 15 Mph in the afternoon.

Tonight 28 Aug San Luis Obispo County Beaches

Mostly cloudy. A 20 percent chance of Showers in the evening. Lows in the 50s to around 60. Northwest Winds 15 to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

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

    69.3 °F

  • Highest 26 August, 2026

    90 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    73.3 °F
Get WillyWeather+ to remove ads