S
M
T
W
T
F
S
28
71°
62°
29
73°
62°
30
71°
64°
1
71°
63°
2
73°
63°
3
71°
64°
4
71°
64°
5
72°
66°
6
72°
64°
7
71°
66°
8
74°
64°
9
73°
63°
10
72°
62°
11
72°
65°
12
73°
66°
13
76°
65°
14
77°
66°
15
76°
67°
16
77°
66°
17
77°
65°
18
77°
65°
19
76°
67°
20
77°
67°
21
78°
66°
22
76°
67°
23
77°
65°
24
75°
62°
25
73°
62°
26
72°
63°
27
75°
62°
28
76°
63°
29
77°
64°
30
78°
65°
31
78°
67°
1
77°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in South Bay Cities
South Bay Cities's July 2026 forecast shows daily high temperatures ranging from 71° to 78°, with overnight lows between 62° and 67°. The average high for July is 75° with an average low of 65°. 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 South Bay Cities. See also: August | September | October.