S
M
T
W
T
F
S
31
90°
69°
1
89°
66°
2
85°
66°
3
83°
60°
4
85°
54°
5
87°
56°
6
88°
58°
7
83°
71°
8
82°
72°
9
89°
70°
10
90°
69°
11
89°
71°
12
92°
73°
13
90°
69°
14
88°
69°
15
87°
68°
16
82°
69°
17
87°
69°
18
88°
70°
19
89°
71°
20
84°
71°
21
89°
68°
22
86°
70°
23
85°
69°
24
85°
70°
25
86°
70°
26
86°
69°
27
87°
70°
28
85°
70°
29
86°
69°
30
86°
70°
1
88°
71°
2
86°
71°
3
86°
70°
4
87°
70°
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 92°, with overnight lows between 68° and 73°. The average high for June is 87° with an average low of 70°. 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.
