Santa Margarita Weather Forecast

    • 56
    • 100

    Hot

    • 61
    • 101

    Hot

    • 59
    • 96

    Sunny

    • 56
    • 91

    Mostly Sunny

    • 54
    • 88

    Mostly Sunny

    • 54
    • 87

    Sunny

Today 22 Aug Southern Salinas Valley

Sunny. Highs 100 to 107. Southwest Winds around 15 Mph in the afternoon.

Tonight 22 Aug Southern Salinas Valley

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

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Santa Margarita Temperature Statistics

August Temperature

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

  • Lowest 4 August, 2025

    48.7 °F

  • Average August

    66.2 °F

  • Highest 6 August, 2025

    84.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.9 °F
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