Santa Margarita Weather Forecast

    • 53
    • 86

    Sunny

    • 51
    • 82

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 53
    • 87

    Mostly Sunny

    • 54
    • 88

    Mostly Sunny

Today 14 Sep Southern Salinas Valley

Sunny. Highs in the mid 80s to around 90. North Winds around 15 Mph in the morning.

Tonight 14 Sep Southern Salinas Valley

Mostly clear. Lows in the mid 50s.

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Santa Margarita Temperature Statistics

September Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (10.6 miles)

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    70.7 °F

  • Highest 9 September, 2026

    107.7 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (10.6 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    73.3 °F
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