S
M
T
W
T
F
S
29
67°
35°
30
74°
60°
31
80°
67°
1
73°
42°
2
80°
43°
3
81°
67°
4
81°
50°
5
51°
38°
6
59°
35°
7
46°
35°
8
67°
51°
9
77°
52°
10
72°
45°
11
65°
47°
12
80°
63°
13
74°
63°
14
74°
60°
15
64°
48°
16
67°
52°
17
68°
52°
18
71°
54°
19
74°
56°
20
76°
59°
21
78°
44°
22
61°
40°
23
62°
49°
24
72°
53°
25
73°
48°
26
65°
43°
27
62°
43°
28
63°
46°
29
70°
51°
30
72°
54°
1
73°
53°
2
70°
52°
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 61° to 80°, with overnight lows between 40° and 63°. The average high for April is 70° with an average low of 51°. 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.
