Santa Margarita Weather Forecast
- 42
- 74
Increasing Clouds
- 47
- 70
Rain Showers
- 45
- 65
Rain Showers
- 43
- 66
Chance Rain Showers
- 43
- 69
Sunny
- 44
- 73
Mostly Sunny
Today 19 Oct Southern Salinas Valley
Mostly cloudy in the morning then sunny. Highs in the mid 70s to around 80. Southwest Winds around 15 Mph in the afternoon.
Tonight 19 Oct Southern Salinas Valley
Partly cloudy in the evening then mostly cloudy. Lows in the lower to mid 40s.
Santa Margarita Temperature Statistics
October Temperature
San Luis Obispo, San Luis Obispo County-Mc Chesney Field (10.6 miles)
Lowest 13 October, 2026
45.6 °FAverage October
70.4 °FHighest 3 October, 2026
99.6 °F
Climate (2021–2026)
San Luis Obispo, San Luis Obispo County-Mc Chesney Field (10.6 miles)
Average Low 2021–2026
50.3 °FAverage 2021–2026
61.2 °FAverage High 2021–2026
73.4 °F