S
M
T
W
T
F
S
31
84°
68°
1
87°
65°
2
84°
63°
3
81°
58°
4
83°
54°
5
84°
55°
6
85°
56°
7
82°
69°
8
81°
71°
9
89°
70°
10
89°
68°
11
90°
68°
12
91°
69°
13
91°
69°
14
91°
70°
15
81°
67°
16
76°
66°
17
86°
69°
18
82°
73°
19
83°
67°
20
86°
68°
21
85°
72°
22
87°
68°
23
84°
68°
24
83°
66°
25
85°
67°
26
86°
68°
27
88°
67°
28
87°
69°
29
88°
70°
30
86°
69°
1
89°
70°
2
87°
76°
3
89°
73°
4
90°
73°
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 90°, with overnight lows between 66° and 76°. The average high for June is 86° with an average low of 69°. 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.
