San Marino Park Weather Forecast
- 65
- 83
Increasing Clouds
- 67
- 86
Decreasing Clouds
- 69
- 90
Mostly Sunny
- 71
- 88
Mostly Cloudy
- 70
- 86
Chance Rain Showers
- 69
- 87
Chance Rain Showers
- 67
- 85
Partly Sunny
Today 14 Sep Orange County Inland
Mostly cloudy with patchy fog this morning. Becoming sunny. Highs around 80 towards the coast to 84 farther inland. Light Winds becoming southwest 10 Mph this afternoon.
Tonight 14 Sep Orange County Inland
Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 59 to 65. Light Winds.
San Marino Park Temperature Statistics
September Temperature
Los Alamitos Army Airfield (2.5 miles)
Lowest 11 September, 2025
61.7 °FAverage September
71.9 °FHighest 3 September, 2025
86.5 °F
Climate (2020–Present)
Los Alamitos Army Airfield (2.5 miles)
Average Low 2020–2025
54.3 °FAverage 2020–2025
62.7 °FAverage High 2020–2025
73.2 °F