Morro Bay Weather Forecast

    • 58
    • 70

    Chance Thunderstorms

    • 57
    • 66

    Chance Thunderstorms

    • 52
    • 64

    Partly Sunny

    • 52
    • 60

    Partly Sunny

    • 52
    • 56

    Mostly Cloudy

    • 54
    • 59

    Mostly Cloudy

Today 27 Aug San Luis Obispo County Beaches

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms. Highs from the lower to mid 70s at the Beaches to the lower to mid 80s inland. Northwest Winds around 15 Mph in the afternoon.

Tonight 27 Aug San Luis Obispo County Beaches

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms. Lows in the mid 50s to lower 60s.

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Morro Bay Temperature Statistics

August Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (14.9 miles)

  • Lowest 1 August, 2026

    52.6 °F

  • Average August

    69.2 °F

  • Highest 25 August, 2026

    88 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (14.9 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    73.3 °F
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