S
M
T
W
T
F
S
29
44°
19°
30
64°
32°
31
52°
35°
1
54°
33°
2
45°
32°
3
45°
32°
4
51°
35°
5
43°
35°
6
43°
31°
7
40°
25°
8
45°
22°
9
51°
26°
10
61°
35°
11
50°
37°
12
55°
34°
13
60°
39°
14
71°
51°
15
62°
49°
16
54°
45°
17
71°
46°
18
61°
41°
19
45°
33°
20
48°
28°
21
48°
24°
22
45°
29°
23
49°
34°
24
50°
33°
25
59°
32°
26
66°
36°
27
72°
37°
28
64°
37°
29
56°
42°
30
47°
44°
1
60°
36°
2
56°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Riverside
Riverside's April 2026 forecast shows daily high temperatures ranging from 47° to 60°, with overnight lows between 36° and 44°. The average high for April is 55° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Riverside. See also: May | June | July.
