S
M
T
W
T
F
S
28
71°
57°
29
74°
54°
30
72°
56°
1
76°
55°
2
77°
54°
3
81°
53°
4
85°
56°
5
83°
62°
6
83°
59°
7
84°
58°
8
87°
61°
9
87°
61°
10
85°
58°
11
86°
59°
12
89°
65°
13
89°
64°
14
90°
64°
15
95°
67°
16
92°
68°
17
90°
66°
18
89°
64°
19
90°
65°
20
90°
66°
21
89°
67°
22
86°
66°
23
90°
65°
24
91°
67°
25
91°
67°
26
94°
64°
27
90°
65°
28
89°
63°
29
85°
64°
30
88°
60°
31
92°
59°
1
94°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Simi Valley
Simi Valley's July 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for July is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Simi Valley. See also: August | September | October.
