S
M
T
W
T
F
S
31
83°
56°
1
81°
58°
2
87°
58°
3
88°
57°
4
87°
56°
5
88°
57°
6
87°
54°
7
88°
55°
8
88°
58°
9
89°
59°
10
90°
57°
11
89°
54°
12
89°
52°
13
84°
53°
14
85°
58°
15
89°
59°
16
90°
61°
17
91°
62°
18
93°
61°
19
93°
62°
20
92°
61°
21
92°
59°
22
87°
59°
23
92°
55°
24
91°
57°
25
86°
54°
26
85°
58°
27
88°
59°
28
92°
56°
29
91°
57°
30
88°
57°
1
91°
58°
2
93°
59°
3
92°
61°
4
91°
63°
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 81° to 93°, with overnight lows between 52° and 63°. The average high for June is 89° with an average low of 58°. 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.
