San Luis Obispo Weather Forecast

    • 56
    • 79

    Mostly Cloudy

    • 60
    • 88

    Partly Sunny

    • 63
    • 92

    Mostly Sunny

    • 63
    • 91

    Partly Sunny

    • 61
    • 85

    Partly Sunny

    • 57
    • 81

    Mostly Sunny

Today 24 Aug San Luis Obispo County Inland Central Coast

Low Clouds and fog in the morning then partly cloudy. Fog locally dense with visibility one quarter mile or less. Highs in the upper 60s and 70s except the lower to mid 80s farthest inland.

Tonight 24 Aug San Luis Obispo County Inland Central Coast

Low Clouds and fog developing. Fog locally dense with visibility one quarter mile or less. Lows in the upper 40s and 50s.

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San Luis Obispo Temperature Statistics

August Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (3.1 miles)

  • Lowest 1 August, 2026

    52.6 °F

  • Average August

    69.2 °F

  • Highest 9 August, 2026

    85.6 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (3.1 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    73.2 °F
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