San Marino Weather Forecast
- 54
- 74
Decreasing Clouds
- 54
- 73
Decreasing Clouds
- 56
- 75
Patchy Fog
- 50
- 70
Slight Chance Rain Showers
- 50
- 63
Slight Chance Rain
- 51
- 61
Mostly Cloudy
- 53
- 69
Mostly Sunny
Today 30 Apr Los Angeles County San Gabriel Valley
Partly cloudy after morning low Clouds and fog. Highs in the lower to mid 70s.
Tonight 30 Apr Los Angeles County San Gabriel Valley
Partly cloudy in the evening then low Clouds and fog. Lows in the upper 40s to mid 50s.
San Marino Temperature Statistics
April Temperature
El Monte (5 miles)
Lowest 1 April, 2025
51.8 °FAverage April
66.8 °FHighest 9 April, 2025
84.2 °F
Climate (2020–Present)
El Monte (5 miles)
Average Low 2020–2025
59.5 °FAverage 2020–2025
70.4 °FAverage High 2020–2025
77.2 °F