S
M
T
W
T
F
S
29
94°
58°
30
84°
54°
31
71°
59°
1
74°
54°
2
73°
54°
3
80°
51°
4
89°
54°
5
90°
53°
6
83°
60°
7
83°
53°
8
85°
56°
9
80°
57°
10
80°
58°
11
75°
57°
12
64°
52°
13
67°
47°
14
75°
47°
15
80°
50°
16
76°
53°
17
82°
52°
18
87°
46°
19
84°
57°
20
81°
53°
21
73°
51°
22
74°
50°
23
80°
48°
24
78°
52°
25
72°
55°
26
69°
50°
27
70°
48°
28
81°
55°
29
73°
55°
30
74°
56°
1
76°
57°
2
82°
56°
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 69° to 82°, with overnight lows between 48° and 57°. The average high for April is 75° with an average low of 54°. 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.