S
M
T
W
T
F
S
31
79°
63°
1
86°
65°
2
85°
51°
3
85°
57°
4
88°
56°
5
85°
68°
6
92°
70°
7
82°
70°
8
84°
71°
9
91°
70°
10
87°
70°
11
79°
59°
12
83°
56°
13
83°
59°
14
74°
55°
15
79°
50°
16
76°
57°
17
79°
54°
18
77°
59°
19
80°
55°
20
79°
55°
21
66°
59°
22
77°
57°
23
78°
61°
24
80°
59°
25
79°
59°
26
79°
62°
27
81°
65°
28
90°
71°
29
93°
71°
30
90°
70°
1
87°
69°
2
86°
66°
3
87°
65°
4
86°
64°
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 77° to 93°, with overnight lows between 57° and 71°. The average high for June is 84° with an average low of 65°. 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.
