Santa Margarita Weather Forecast

    • 44
    • 77

    Patchy Fog

    • 43
    • 77

    Partly Sunny

    • 52
    • 81

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

Today 31 Aug Southern Salinas Valley

Partly cloudy in the morning then sunny. Highs in the mid 70s to mid 80s. Southwest Winds around 15 Mph in the afternoon.

Tonight 31 Aug Southern Salinas Valley

Partly cloudy in the evening then low Clouds and fog. Lows in the lower to mid 40s. Southwest Winds around 15 Mph in the evening.

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Santa Margarita Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    52.6 °F

  • Average August

    69.9 °F

  • Highest 26 August, 2026

    92.6 °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 °F

  • Average High 2021–2026

    73.3 °F
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