San Luis County Regional Airport Weather Forecast

    • 49
    • 75

    Sunny

    • 50
    • 76

    Sunny

    • 50
    • 80

    Sunny

    • 51
    • 80

    Sunny

    • 50
    • 79

    Sunny

    • 49
    • 73

    Patchy Fog

Today 8 Dec San Luis Obispo County Inland Central Coast

Sunny. Highs in the lower to mid 70s. North Winds 15 to 25 Mph.

Tonight 8 Dec San Luis Obispo County Inland Central Coast

Clear. Lows around 50. Northeast Winds 15 to 25 Mph.

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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 4 December, 2025

    37 °F

  • Average December

    51.6 °F

  • Highest 5 December, 2025

    72 °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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