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
55°
40°
5
63°
38°
6
65°
40°
7
65°
53°
8
77°
54°
9
78°
54°
10
60°
54°
11
74°
63°
12
71°
65°
13
84°
63°
14
74°
48°
15
65°
52°
16
68°
47°
17
71°
51°
18
72°
51°
19
78°
52°
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 60° to 84°, with overnight lows between 40° and 65°. The average high for April is 71° 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.
