Monrovia Weather Forecast
- 72
- 106
Hot
- 72
- 105
Hot
- 71
- 105
Hot
- 68
- 100
Hot
- 65
- 93
Mostly Sunny
- 64
- 89
Mostly Sunny
Today 26 Aug Los Angeles County San Gabriel Valley
Sunny. Highs 100 to 107.
Tonight 26 Aug Los Angeles County San Gabriel Valley
Partly cloudy in the evening then mostly cloudy. Lows in the lower to mid 70s.
Monrovia Temperature Statistics
August Temperature
El Monte (4.3 miles)
Lowest 4 August, 2026
69.8 °FAverage August
85.6 °FHighest 23 August, 2026
100.4 °F
Climate (2021–2026)
El Monte (4.3 miles)
Average Low 2021–2026
59.9 °FAverage 2021–2026
70.7 °FAverage High 2021–2026
77.3 °F