S
M
T
W
T
F
S
26
85°
64°
27
86°
64°
28
85°
63°
29
86°
65°
30
87°
64°
31
83°
64°
1
79°
63°
2
78°
61°
3
78°
58°
4
80°
63°
5
79°
62°
6
80°
60°
7
82°
61°
8
84°
63°
9
85°
63°
10
85°
62°
11
84°
63°
12
85°
62°
13
85°
63°
14
86°
62°
15
88°
63°
16
86°
62°
17
81°
61°
18
80°
62°
19
83°
58°
20
82°
54°
21
78°
53°
22
77°
54°
23
78°
55°
24
80°
54°
25
78°
53°
26
78°
59°
27
77°
54°
28
81°
53°
29
76°
53°
30
75°
52°
31
75°
52°
1
74°
53°
2
76°
55°
3
75°
53°
4
77°
52°
5
77°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Campbell
Campbell's August 2026 forecast shows daily high temperatures ranging from 74° to 88°, with overnight lows between 50° and 65°. The average high for August is 81° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Campbell. See also: September | October | November.
