S
M
T
W
T
F
S
26
84°
69°
27
84°
69°
28
85°
68°
29
85°
69°
30
86°
68°
31
86°
63°
1
84°
65°
2
83°
69°
3
89°
69°
4
85°
68°
5
89°
68°
6
89°
69°
7
88°
69°
8
87°
68°
9
88°
68°
10
84°
64°
11
87°
68°
12
90°
68°
13
88°
66°
14
86°
67°
15
89°
66°
16
89°
67°
17
87°
67°
18
88°
60°
19
86°
60°
20
83°
61°
21
83°
60°
22
84°
60°
23
84°
61°
24
85°
60°
25
85°
60°
26
86°
59°
27
86°
60°
28
85°
59°
29
83°
59°
30
83°
60°
31
86°
60°
1
87°
62°
2
88°
63°
3
84°
64°
4
87°
61°
5
87°
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 83° to 90°, with overnight lows between 59° and 69°. The average high for August is 86° with an average low of 64°. 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.
