Monrovia Weather Forecast
- 54
- 82
Sunny
- 55
- 80
Sunny
- 54
- 80
Mostly Sunny
- 54
- 78
Mostly Sunny
- 51
- 74
Sunny
- 51
- 72
Mostly Sunny
Today 10 Dec Los Angeles County San Gabriel Valley
Sunny. Highs in the upper 70s to mid 80s.
Tonight 10 Dec Los Angeles County San Gabriel Valley
Clear. Lows in the mid 50s.
Monrovia Temperature Statistics
December Temperature
El Monte (4.3 miles)
Lowest 6 December, 2025
46.4 °FAverage December
65.7 °FHighest 7 December, 2025
77 °F
Climate (2020–Present)
El Monte (4.3 miles)
Average Low 2020–2025
59.4 °FAverage 2020–2025
70.2 °FAverage High 2020–2025
76.9 °F