S
M
T
W
T
F
S
27
85°
65°
28
84°
64°
29
86°
66°
30
84°
65°
1
80°
64°
2
81°
63°
3
83°
64°
4
83°
64°
5
80°
63°
6
75°
64°
7
78°
64°
8
82°
63°
9
82°
63°
10
81°
62°
11
78°
57°
12
71°
53°
13
69°
52°
14
68°
48°
15
68°
48°
16
69°
47°
17
68°
53°
18
68°
47°
19
66°
46°
20
66°
47°
21
67°
53°
22
69°
54°
23
78°
58°
24
79°
56°
25
76°
52°
26
70°
44°
27
65°
41°
28
63°
44°
29
65°
53°
30
69°
52°
31
65°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Campbell
Campbell's October 2026 forecast shows daily high temperatures ranging from 63° to 86°, with overnight lows between 40° and 66°. The average high for October is 74° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Campbell. See also: November | December | January.