Port San Luis Weather Forecast

    • 33
    • 57

    Increasing Clouds

    • 34
    • 59

    Gradual Clearing

    • 45
    • 58

    Mostly Sunny

    • 47
    • 60

    Mostly Sunny

    • 49
    • 63

    Partly Sunny

    • 49
    • 64

    Mostly Sunny

    • 50
    • 64

    Mostly Sunny

Today 17 Jan San Luis Obispo County Beaches

Patchy low Clouds and fog in the morning then sunny. Areas of frost in the morning. Highs in the mid 50s to around 60. Northwest Winds around 15 Mph in the afternoon.

Tonight 17 Jan San Luis Obispo County Beaches

Clear early then low Clouds and fog. Areas of frost after midnight. Lows in the mid 20s to mid 30s except the mid 30s to around 40 in the Hills.

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Port San Luis Temperature Statistics

January Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (7.5 miles)

  • Lowest 15 January, 2025

    32 °F

  • Average January

    55.8 °F

  • Highest 2 January, 2025

    79.6 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (7.5 miles)

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  • Average Low 2020–2025

    50 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    72.9 °F
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