S
M
T
W
T
F
S
29
58°
19°
30
71°
26°
31
71°
51°
1
60°
38°
2
51°
37°
3
74°
45°
4
72°
41°
5
61°
35°
6
45°
34°
7
38°
18°
8
54°
33°
9
63°
39°
10
68°
33°
11
54°
29°
12
63°
46°
13
72°
54°
14
75°
44°
15
56°
36°
16
57°
34°
17
57°
40°
18
60°
40°
19
58°
35°
20
57°
32°
21
62°
39°
22
64°
41°
23
65°
40°
24
64°
36°
25
59°
31°
26
54°
32°
27
53°
30°
28
55°
35°
29
55°
30°
30
54°
31°
1
56°
32°
2
56°
31°
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 38° to 75°, with overnight lows between 18° and 54°. The average high for April is 59° with an average low of 35°. 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.
