Santa Margarita Weather Forecast

    • 52
    • 78

    Becoming Sunny

    • 56
    • 88

    Sunny

    • 55
    • 88

    Sunny

    • 56
    • 87

    Mostly Sunny

    • 58
    • 88

    Mostly Sunny

    • 59
    • 92

    Sunny

Today 28 Sep Southern Salinas Valley

Areas of low Clouds and fog in the morning then sunny. Highs in the mid 70s to lower 80s. Northwest Winds around 15 Mph in the afternoon.

Tonight 28 Sep Southern Salinas Valley

Clear. Lows in the lower 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

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

    69 °F

  • Highest 9 September, 2026

    107.7 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    73.3 °F
Get WillyWeather+ to remove ads