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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Rancho Cucamonga, CA
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April
Average Temperature
High
24°
Feels 24
Low
10°
Feels 9
Average Precipitation
2 Days
Rain amount
7.9mm
Snow amount
0cm
Content continues below
Daily Historical Averages
April 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
25°
21
23°
22
21°
23
25°
24
24°
25
20°
26
21°
27
21°
28
24°
29
27°
30
25°
Forecast
Monday, April 20, 2026
Day
25°
Feels 25
Wind
22 km/h SW
Gust
32 km/h
Humidity
30%
P.O.P
20%
Night
12°
Feels 12
Wind
18 km/h SW
Gust
27 km/h
Humidity
60%
P.O.P
20%
Historical Averages
Apr 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.