Duarte Weather Forecast
- 56
- 77
Becoming Sunny
- 57
- 80
Mostly Sunny
- 55
- 79
Mostly Sunny
- 54
- 75
Partly Sunny
- 53
- 75
Partly Sunny
- 53
- 76
Mostly Cloudy
Today 17 Dec Los Angeles County San Gabriel Valley
Mostly cloudy in the morning then partly cloudy. Highs in the mid 70s to around 80.
Tonight 17 Dec Los Angeles County San Gabriel Valley
Mostly clear. Lows in the mid to upper 50s.
Duarte Temperature Statistics
December Temperature
El Monte (5 miles)
Lowest 6 December, 2025
46.4 °FAverage December
68.4 °FHighest 9 December, 2025
84.2 °F
Climate (2020–Present)
El Monte (5 miles)
Average Low 2020–2025
59.4 °FAverage 2020–2025
70.2 °FAverage High 2020–2025
76.9 °F