Santa Margarita Weather Forecast

    • 53
    • 96

    Sunny

    • 55
    • 102

    Hot

    • 62
    • 103

    Hot

    • 58
    • 101

    Hot

    • 53
    • 86

    Partly Sunny

    • 50
    • 77

    Partly Sunny

Today 5 Oct Southern Salinas Valley

Sunny. Highs 97 to 108.

Tonight 5 Oct Southern Salinas Valley

Clear. Lows in the mid 50s to mid 60s.

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Santa Margarita Temperature Statistics

October Temperature

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

  • Lowest 1 October, 2026

    55.9 °F

  • Average October

    64.5 °F

  • Highest 2 October, 2026

    86 °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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