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°
57°
21
84°
58°
22
91°
60°
23
92°
63°
24
95°
65°
25
95°
63°
26
93°
60°
27
93°
61°
28
87°
60°
29
84°
59°
30
89°
62°
1
93°
63°
2
96°
64°
3
94°
61°
4
95°
66°
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 83° to 96°, with overnight lows between 57° and 66°. 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.
