S
M
T
W
T
F
S
31
90°
57°
1
88°
58°
2
86°
58°
3
89°
57°
4
90°
58°
5
88°
59°
6
84°
59°
7
84°
60°
8
85°
60°
9
87°
58°
10
94°
61°
11
94°
62°
12
100°
65°
13
94°
64°
14
92°
63°
15
94°
63°
16
92°
61°
17
86°
58°
18
82°
60°
19
83°
60°
20
83°
56°
21
84°
57°
22
90°
59°
23
93°
62°
24
95°
64°
25
93°
59°
26
90°
60°
27
86°
61°
28
82°
57°
29
83°
58°
30
85°
59°
1
91°
61°
2
97°
63°
3
98°
65°
4
102°
65°
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 82° to 102°, with overnight lows between 57° and 65°. The average high for June is 91° with an average low of 61°. 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.
