The Arboretum Weather Forecast
- 65
- 91
Mostly Sunny
- 65
- 96
Mostly Sunny
- 68
- 99
Hot
- 67
- 97
Hot
- 67
- 97
Hot
- 66
- 97
Hot
Today 21 Jul Los Angeles County San Gabriel Valley
Sunny. Highs in the mid 80s to mid 90s.
Tonight 21 Jul Los Angeles County San Gabriel Valley
Mostly clear. Lows in the mid 60s.
The Arboretum Temperature Statistics
July Temperature
El Monte (4.3 miles)
Lowest 1 July, 2026
64.4 °FAverage July
80.8 °FHighest 15 July, 2026
96.8 °F
Climate (2021–2026)
El Monte (4.3 miles)
Average Low 2021–2026
59.8 °FAverage 2021–2026
70.6 °FAverage High 2021–2026
77.2 °F