S
M
T
W
T
F
S
28
86°
74°
29
92°
74°
30
94°
75°
1
94°
73°
2
95°
76°
3
90°
70°
4
92°
72°
5
88°
68°
6
87°
67°
7
85°
65°
8
85°
69°
9
87°
66°
10
85°
67°
11
94°
75°
12
84°
68°
13
84°
61°
14
80°
61°
15
80°
62°
16
81°
62°
17
82°
66°
18
85°
68°
19
86°
65°
20
81°
66°
21
84°
68°
22
84°
68°
23
87°
69°
24
88°
68°
25
87°
69°
26
86°
68°
27
86°
68°
28
87°
69°
29
88°
68°
30
87°
63°
31
81°
61°
1
79°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Campbell
Campbell's July 2026 forecast shows daily high temperatures ranging from 79° to 95°, with overnight lows between 61° and 76°. The average high for July is 86° with an average low of 68°. 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 Campbell. See also: August | September | October.