Monterey Park Weather Forecast
- 58
- 82
Mostly Sunny
- 60
- 86
Partly Sunny
- 63
- 83
Mostly Cloudy
- 62
- 80
Mostly Sunny
- 64
- 83
Mostly Sunny
- 66
- 88
Mostly Sunny
Today 18 Sep Los Angeles County San Gabriel Valley
Partly cloudy in the morning then sunny. Highs in the upper 70s to mid 80s.
Tonight 18 Sep Los Angeles County San Gabriel Valley
Mostly clear. Lows around 60.
Monterey Park Temperature Statistics
September Temperature
El Monte (5 miles)
Lowest 2 September, 2026
64.4 °FAverage September
82.2 °FHighest 9 September, 2026
107.6 °F
Climate (2021–2026)
El Monte (5 miles)
Average Low 2021–2026
59.9 °FAverage 2021–2026
70.7 °FAverage High 2021–2026
77.3 °F