San Luis Obispo Weather Forecast

    • 48
    • 75

    Sunny

    • 49
    • 74

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

    • 48
    • 68

    Patchy Fog

    • 51
    • 72

    Patchy Fog

    • 53
    • 73

    Patchy Fog

Today 11 Dec San Luis Obispo County Inland Central Coast

Sunny. Highs in the mid to upper 70s. Northeast Winds around 15 Mph in the morning.

Tonight 11 Dec San Luis Obispo County Inland Central Coast

Clear. Lows in the mid to upper 40s.

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San Luis Obispo Temperature Statistics

December Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (3.1 miles)

  • Lowest 4 December, 2025

    37 °F

  • Average December

    55.1 °F

  • Highest 7 December, 2025

    75 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (3.1 miles)

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.7 °F
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