S
M
T
W
T
F
S
26
86°
68°
27
86°
68°
28
87°
69°
29
88°
68°
30
87°
63°
31
81°
61°
1
79°
65°
2
80°
67°
3
80°
65°
4
84°
67°
5
87°
68°
6
86°
67°
7
84°
64°
8
80°
61°
9
81°
66°
10
83°
62°
11
84°
65°
12
85°
67°
13
87°
68°
14
88°
67°
15
87°
68°
16
89°
66°
17
88°
60°
18
81°
58°
19
79°
57°
20
78°
57°
21
79°
58°
22
79°
58°
23
80°
59°
24
80°
59°
25
82°
60°
26
84°
63°
27
85°
57°
28
80°
57°
29
80°
58°
30
82°
60°
31
82°
58°
1
83°
57°
2
79°
56°
3
78°
62°
4
82°
64°
5
84°
62°
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 78° to 89°, with overnight lows between 56° and 69°. The average high for August is 83° with an average low of 63°. 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.
