San Luis County Regional Airport Weather Forecast

    • 51
    • 76

    Patchy Fog

    • 50
    • 67

    Gradual Clearing

    • 47
    • 65

    Patchy Fog

    • 43
    • 65

    Patchy Fog

    • 46
    • 66

    Mostly Cloudy

    • 50
    • 62

    Chance Rain

    • 48
    • 66

    Mostly Cloudy

Today 25 Mar San Luis Obispo County Inland Central Coast

Sunny. Highs in the 70s.

Tonight 25 Mar San Luis Obispo County Inland Central Coast

Mostly clear early then low Clouds and fog. Lows in the lower 50s.

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San Luis County Regional Airport Temperature Statistics

March Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (0 miles)

  • Lowest 8 March, 2025

    37 °F

  • Average March

    53.8 °F

  • Highest 23 March, 2025

    79 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (0 miles)

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  • Average Low 2020–2025

    50 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    73 °F
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