S
M
T
W
T
F
S
31
80°
53°
1
79°
54°
2
76°
54°
3
80°
52°
4
80°
54°
5
78°
55°
6
78°
59°
7
74°
57°
8
79°
55°
9
83°
58°
10
89°
59°
11
88°
60°
12
88°
59°
13
91°
60°
14
90°
59°
15
86°
60°
16
89°
59°
17
88°
60°
18
85°
59°
19
86°
57°
20
87°
59°
21
88°
57°
22
90°
61°
23
91°
61°
24
91°
60°
25
90°
61°
26
91°
61°
27
91°
60°
28
90°
59°
29
87°
58°
30
85°
57°
1
87°
59°
2
90°
61°
3
92°
62°
4
93°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Simi Valley
Simi Valley's June 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 55° and 62°. The average high for June is 88° with an average low of 59°. 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 Simi Valley. See also: July | August | September.
