S
M
T
W
T
F
S
29
71°
22°
30
52°
32°
31
52°
38°
1
53°
33°
2
45°
23°
3
54°
19°
4
65°
24°
5
69°
28°
6
73°
29°
7
68°
29°
8
72°
39°
9
73°
43°
10
67°
44°
11
63°
43°
12
58°
35°
13
60°
33°
14
67°
36°
15
61°
37°
16
62°
32°
17
57°
33°
18
62°
32°
19
63°
32°
20
62°
30°
21
65°
31°
22
58°
35°
23
59°
28°
24
57°
27°
25
57°
30°
26
58°
28°
27
58°
32°
28
59°
29°
29
59°
28°
30
60°
34°
1
60°
29°
2
62°
38°
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 57° to 73°, with overnight lows between 27° and 44°. The average high for April is 62° with an average low of 34°. 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.
