Morro Bay Sand Spit Weather Forecast

    • 57
    • 64

    Decreasing Clouds

    • 57
    • 64

    Partly Sunny

    • 57
    • 64

    Patchy Fog

    • 56
    • 62

    Mostly Cloudy

    • 56
    • 62

    Mostly Cloudy

    • 57
    • 62

    Partly Sunny

Today 12 Sep San Luis Obispo County Beaches

Low Clouds and fog in the morning then sunny. Highs from around 70 at the Beaches to the upper 70s to mid 80s inland. West Winds 15 to 25 Mph in the afternoon.

Tonight 12 Sep San Luis Obispo County Beaches

Mostly clear. Lows in the mid 50s. Northwest Winds 15 to 25 Mph in the evening.

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Morro Bay Sand Spit Temperature Statistics

September Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (14.3 miles)

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    70.6 °F

  • Highest 9 September, 2026

    104 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (14.3 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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