Pico Rivera Weather Forecast
- 53
- 74
Increasing Clouds
- 54
- 70
Mostly Cloudy
- 53
- 71
Mostly Cloudy
- 53
- 71
Mostly Cloudy
- 56
- 68
Rain
- 55
- 64
Rain
Today 19 Dec Los Angeles County San Gabriel Valley
Sunny. Highs in the lower to mid 70s.
Tonight 19 Dec Los Angeles County San Gabriel Valley
Mostly clear in the evening then Areas of low Clouds and fog. Lows in the lower 50s.
Pico Rivera Temperature Statistics
December Temperature
El Monte (7.5 miles)
Lowest 6 December, 2025
46.4 °FAverage December
67.7 °FHighest 9 December, 2025
84.2 °F
Climate (2020–Present)
El Monte (7.5 miles)
Average Low 2020–2025
59.4 °FAverage 2020–2025
70.2 °FAverage High 2020–2025
76.9 °F