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
ForecastSunday, January 11, 2026
Day
22°Feels 22
Wind
15 km/h E
Gust
22 km/h
Humidity
23%
P.O.P
10%
Night
9°Feels 8
Wind
12 km/h E
Gust
18 km/h
Humidity
41%
P.O.P
0%
Historical AveragesJan 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity