Santa Margarita Weather Forecast

    • 39
    • 69

    Sunny

    • 41
    • 73

    Sunny

    • 44
    • 74

    Sunny

    • 44
    • 77

    Sunny

    • 44
    • 75

    Mostly Sunny

    • 44
    • 75

    Partly Sunny

Today 12 Jan Southern Salinas Valley

Sunny. Highs in the mid to upper 60s.

Tonight 12 Jan Southern Salinas Valley

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

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Santa Margarita Temperature Statistics

January Temperature

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

  • Lowest 10 January, 2026

    35.1 °F

  • Average January

    53.6 °F

  • Highest 10 January, 2026

    66.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    50 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    72.7 °F
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