Morro Bay Weather Forecast

    • 57
    • 72

    Gradual Clearing

    • 57
    • 74

    Mostly Cloudy

    • 58
    • 66

    Chance Rain Showers

    • 58
    • 63

    Chance Rain Showers

    • 58
    • 66

    Patchy Fog

    • 60
    • 67

    Patchy Fog

Today 16 Sep San Luis Obispo County Beaches

Sunny after morning low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Highs from the lower to mid 70s at the Beaches to around 80 inland.

Tonight 16 Sep San Luis Obispo County Beaches

Mostly clear in the evening then mostly cloudy. Lows in the 50s to lower 60s.

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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, 2025

    50 °F

  • Average September

    66.1 °F

  • Highest 1 September, 2025

    87.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    72.9 °F
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