S
M
T
W
T
F
S
29
77°
48°
30
89°
64°
31
82°
59°
1
59°
50°
2
77°
51°
3
76°
44°
4
57°
36°
5
63°
42°
6
59°
38°
7
57°
52°
8
73°
55°
9
72°
53°
10
70°
57°
11
67°
54°
12
71°
58°
13
72°
58°
14
70°
49°
15
72°
52°
16
73°
51°
17
69°
48°
18
70°
54°
19
72°
53°
20
73°
56°
21
72°
56°
22
74°
50°
23
62°
53°
24
73°
47°
25
66°
56°
26
75°
56°
27
74°
55°
28
74°
56°
29
71°
56°
30
66°
55°
1
66°
56°
2
70°
55°
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 75°, with overnight lows between 36° and 58°. The average high for April is 69° with an average low of 52°. 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.
