Montebello Weather Forecast
- 63
- 81
Becoming Sunny
- 63
- 85
Partly Sunny
- 63
- 86
Mostly Sunny
- 67
- 88
Mostly Sunny
- 69
- 95
Mostly Sunny
- 68
- 95
Mostly Sunny
Today 17 Aug Los Angeles County San Gabriel Valley
Low Clouds and fog in the morning then sunny. Highs in the lower to mid 80s.
Tonight 17 Aug Los Angeles County San Gabriel Valley
Mostly clear. Lows in the lower to mid 60s.
Montebello Temperature Statistics
August Temperature
El Monte (6.2 miles)
Lowest 1 August, 2025
60.8 °FAverage August
81.4 °FHighest 7 August, 2025
96.8 °F
Climate (2020–Present)
El Monte (6.2 miles)
Average Low 2020–2025
59.4 °FAverage 2020–2025
70.3 °FAverage High 2020–2025
77.1 °F