Monterey Park Weather Forecast
- 66
- 90
Mostly Sunny
- 65
- 88
Mostly Sunny
- 63
- 86
Mostly Sunny
- 62
- 84
Mostly Sunny
- 63
- 86
Mostly Sunny
- 66
- 90
Mostly Sunny
Today 12 Sep Los Angeles County San Gabriel Valley
Sunny. Highs in the upper 80s to mid 90s.
Tonight 12 Sep Los Angeles County San Gabriel Valley
Clear in the evening then Areas of low Clouds and fog. Lows in the mid to upper 60s.
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