San Luis County Regional Airport Weather Forecast

    • 41
    • 70

    Sunny

    • 46
    • 71

    Sunny

    • 48
    • 72

    Sunny

    • 48
    • 75

    Sunny

    • 50
    • 77

    Partly Sunny

    • 50
    • 79

    Mostly Sunny

Today 5 Dec San Luis Obispo County Inland Central Coast

Sunny. Highs around 70.

Tonight 5 Dec San Luis Obispo County Inland Central Coast

Clear. Lows in the upper 30s to mid 40s.

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San Luis County Regional Airport Temperature Statistics

December Temperature

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

  • Lowest 2 December, 2025

    39.9 °F

  • Average December

    51.7 °F

  • Highest 2 December, 2025

    69.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.8 °F
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