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
75°
53°
9
82°
55°
10
86°
59°
11
86°
59°
12
88°
60°
13
82°
60°
14
82°
53°
15
82°
56°
16
82°
55°
17
79°
55°
18
75°
59°
19
72°
57°
20
74°
51°
21
76°
52°
22
79°
54°
23
81°
55°
24
79°
56°
25
77°
54°
26
74°
56°
27
73°
57°
28
71°
57°
29
74°
54°
30
72°
56°
1
76°
55°
2
77°
54°
3
84°
56°
4
84°
58°
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 84° to 84°, with overnight lows between 56° and 58°. The average high for June is 84° with an average low of 57°. 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.
