Morro Bay Weather Forecast

    • 48
    • 57

    Dense Fog

    • 52
    • 65

    Partly Sunny

    • 54
    • 65

    Partly Sunny

    • 53
    • 63

    Mostly Sunny

    • 51
    • 72

    Mostly Cloudy

    • 54
    • 70

    Chance Rain Showers

Today 14 Dec San Luis Obispo County Beaches

Low Clouds and fog mostly clearing in the afternoon. Fog locally dense with visibility one quarter mile or less. Highs around 60.

Tonight 14 Dec San Luis Obispo County Beaches

Areas of low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Lows in the mid 40s to mid 50s.

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Morro Bay Temperature Statistics

December Temperature

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

  • Lowest 4 December, 2025

    37 °F

  • Average December

    57.4 °F

  • Highest 10 December, 2025

    82 °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

    50 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.8 °F
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