S
M
T
W
T
F
S
28
84°
57°
29
83°
57°
30
81°
58°
1
82°
57°
2
84°
59°
3
84°
60°
4
83°
63°
5
88°
63°
6
89°
64°
7
89°
63°
8
88°
64°
9
90°
66°
10
90°
66°
11
92°
65°
12
91°
62°
13
90°
59°
14
86°
60°
15
85°
61°
16
84°
62°
17
86°
62°
18
87°
65°
19
90°
65°
20
90°
65°
21
Hist. Avg.
86°
62°
22
Hist. Avg.
86°
62°
23
Hist. Avg.
86°
62°
24
Hist. Avg.
86°
62°
25
Hist. Avg.
86°
62°
26
Hist. Avg.
86°
62°
27
Hist. Avg.
86°
62°
28
Hist. Avg.
87°
62°
29
Hist. Avg.
87°
63°
30
Hist. Avg.
87°
63°
31
Hist. Avg.
87°
63°
1
Hist. Avg.
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Mission Viejo
Mission Viejo's July 2026 forecast shows daily high temperatures ranging from 81° to 92°, with overnight lows between 57° and 66°. The average high for July is 87° with an average low of 62°. 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 Mission Viejo. See also: August | September | October.
