S
M
T
W
T
F
S
31
72°
41°
1
64°
46°
2
75°
47°
3
80°
52°
4
84°
56°
5
90°
64°
6
87°
60°
7
67°
55°
8
66°
54°
9
74°
57°
10
77°
59°
11
77°
60°
12
75°
60°
13
77°
61°
14
78°
60°
15
77°
59°
16
72°
55°
17
73°
56°
18
74°
58°
19
75°
59°
20
74°
58°
21
74°
57°
22
75°
58°
23
74°
58°
24
75°
64°
25
75°
61°
26
76°
60°
27
76°
64°
28
80°
65°
29
77°
62°
30
76°
60°
1
75°
60°
2
77°
63°
3
78°
67°
4
79°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Riverside
Riverside's June 2026 forecast shows daily high temperatures ranging from 66° to 90°, with overnight lows between 47° and 67°. The average high for June is 76° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Riverside. See also: July | August | September.
