Monthly Historical AveragesRancho Cucamonga, CA
Average Temperature
High
20°
Feels 19
Low
7°
Feels 5
Average Precipitation
4 Days
35.4mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, January 9, 2026
Day
14°Feels 13
Wind
24 km/h N
Gust
36 km/h
Humidity
22%
P.O.P
20%
Night
7°Feels 4
Wind
14 km/h E
Gust
22 km/h
Humidity
38%
P.O.P
0%
Historical AveragesJan 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity