Oceano Weather Forecast

    • 44
    • 68

    Increasing Clouds

    • 43
    • 65

    Dense Fog

    • 48
    • 63

    Partly Sunny

    • 52
    • 70

    Mostly Sunny

    • 54
    • 70

    Patchy Fog

    • 51
    • 66

    Patchy Fog

Today 12 Dec San Luis Obispo County Beaches

Sunny. Highs in the mid 60s to lower 70s.

Tonight 12 Dec San Luis Obispo County Beaches

Mostly clear except for patchy low Clouds and fog after midnight. Lows in the upper 40s to mid 50s.

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Oceano Temperature Statistics

December Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (9.3 miles)

  • Lowest 4 December, 2025

    37 °F

  • Average December

    56.6 °F

  • Highest 9 December, 2025

    80.1 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (9.3 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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