San Luis Obispo Bay Weather Forecast

    • 53
    • 75

    Patchy Fog

    • 54
    • 76

    Patchy Fog

    • 54
    • 77

    Patchy Fog

    • 54
    • 77

    Patchy Fog

    • 53
    • 61

    Patchy Fog

    • 53
    • 60

    Patchy Fog

Today 9 Aug San Luis Obispo County Beaches

Low Clouds and dense fog with partial afternoon clearing. Fog locally dense with visibility one quarter mile or less. Highs from around 60 at the Beaches to the lower to mid 70s inland.

Tonight 9 Aug San Luis Obispo County Beaches

Low Clouds and fog. Lows in the mid 50s.

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San Luis Obispo Bay Temperature Statistics

August Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (6.2 miles)

  • Lowest 4 August, 2025

    48.9 °F

  • Average August

    62.5 °F

  • Highest 6 August, 2025

    81 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (6.2 miles)

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.9 °F
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