S
M
T
W
T
F
S
31
N/A
1
88°
73°
2
87°
68°
3
79°
64°
4
83°
66°
5
86°
72°
6
88°
71°
7
90°
72°
8
91°
74°
9
91°
74°
10
90°
75°
11
89°
74°
12
90°
76°
13
91°
73°
14
90°
74°
15
90°
76°
16
89°
76°
17
89°
75°
18
90°
76°
19
91°
76°
20
92°
75°
21
92°
77°
22
93°
77°
23
93°
76°
24
92°
77°
25
92°
77°
26
91°
76°
27
93°
76°
28
92°
77°
29
90°
77°
30
91°
76°
1
90°
77°
2
88°
77°
3
89°
76°
4
91°
77°
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 79° to 93°, with overnight lows between 64° and 77°. The average high for June is 90° with an average low of 75°. 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.
