Morro Bay Weather Forecast

    • 54
    • 68

    Increasing Clouds

    • 53
    • 59

    Patchy Fog

    • 57
    • 61

    Partly Sunny

    • 59
    • 72

    Mostly Sunny

    • 58
    • 74

    Partly Sunny

    • 58
    • 71

    Partly Sunny

    • 58
    • 71

    Partly Sunny

Today 26 Sep San Luis Obispo County Beaches

Partly cloudy in the morning then sunny. Highs from the upper 60s to mid 70s at the Beaches to around 80 inland.

Tonight 26 Sep San Luis Obispo County Beaches

Mostly cloudy except for patchy low Clouds and fog after midnight. Lows in the upper 40s to mid 50s. Northwest Winds around 15 Mph in the evening.

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Morro Bay Temperature Statistics

September Temperature

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

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    69 °F

  • Highest 9 September, 2026

    107.7 °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

    61.1 °F

  • Average High 2021–2026

    73.3 °F
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