S
M
T
W
T
F
S
26
82°
58°
27
83°
67°
28
72°
60°
29
71°
55°
30
66°
45°
1
67°
47°
2
67°
42°
3
73°
40°
4
80°
59°
5
65°
49°
6
62°
47°
7
67°
43°
8
75°
45°
9
81°
52°
10
74°
54°
11
77°
49°
12
80°
47°
13
81°
53°
14
76°
45°
15
87°
52°
16
88°
74°
17
90°
68°
18
87°
76°
19
85°
69°
20
74°
61°
21
77°
59°
22
69°
64°
23
74°
65°
24
N/A
25
79°
65°
26
77°
66°
27
83°
68°
28
84°
69°
29
78°
64°
30
77°
61°
31
78°
60°
1
79°
62°
2
79°
61°
3
83°
64°
4
82°
65°
5
84°
66°
6
86°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Campbell
Campbell's May 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 60° and 69°. The average high for May is 81° 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 May weather will actually feel in Campbell. See also: June | July | August.
