S
M
T
W
T
F
S
29
47°
30°
30
67°
27°
31
53°
42°
1
42°
32°
2
47°
31°
3
74°
38°
4
50°
35°
5
46°
34°
6
42°
28°
7
33°
21°
8
39°
35°
9
58°
36°
10
47°
34°
11
52°
34°
12
56°
51°
13
63°
47°
14
53°
40°
15
48°
34°
16
47°
39°
17
55°
41°
18
57°
42°
19
55°
39°
20
54°
37°
21
57°
43°
22
53°
44°
23
60°
45°
24
60°
38°
25
50°
36°
26
51°
38°
27
51°
36°
28
55°
41°
29
54°
38°
30
52°
40°
1
53°
40°
2
53°
36°
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 33° to 63°, with overnight lows between 21° and 51°. The average high for April is 53° with an average low of 39°. 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.
