Monthly
     

Monthly Historical AveragesRancho Cucamonga, CA

Average Temperature
High
20°
Feels 19
Low
7°
Feels 5
Average Precipitation
4 Days
Rain amount
35.4mm
Snow amount
0cm
Content continues below

Daily Historical Averages

S
M
T
W
T
F
S
ForecastSunday, January 11, 2026
Day
Mainly sunny
22°Feels 22
Wind
15 km/h E
Gust
22 km/h
Humidity
23%
P.O.P
10%
Night
Clear
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
Historical Averages are based on data recorded from 2000 onwards.
Content continues below