S
M
T
W
T
F
S
31
78°
51°
1
73°
46°
2
79°
50°
3
80°
50°
4
81°
50°
5
76°
44°
6
63°
41°
7
74°
47°
8
72°
49°
9
71°
51°
10
76°
52°
11
72°
51°
12
78°
53°
13
85°
58°
14
89°
61°
15
90°
62°
16
92°
61°
17
79°
51°
18
76°
49°
19
73°
51°
20
78°
51°
21
77°
51°
22
79°
48°
23
72°
47°
24
73°
46°
25
75°
48°
26
79°
52°
27
85°
55°
28
86°
55°
29
87°
58°
30
88°
59°
1
89°
56°
2
80°
52°
3
84°
56°
4
88°
58°
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 63° to 92°, with overnight lows between 41° and 62°. The average high for June is 80° with an average low of 52°. 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.
