S
M
T
W
T
F
S
26
84°
70°
27
88°
72°
28
79°
68°
29
66°
59°
30
63°
57°
1
63°
54°
2
75°
48°
3
81°
48°
4
79°
57°
5
84°
59°
6
59°
52°
7
72°
50°
8
77°
55°
9
84°
68°
10
77°
63°
11
77°
59°
12
79°
54°
13
86°
55°
14
88°
63°
15
88°
66°
16
84°
68°
17
86°
75°
18
88°
77°
19
81°
64°
20
81°
64°
21
75°
66°
22
84°
66°
23
81°
64°
24
84°
66°
25
86°
66°
26
84°
68°
27
78°
67°
28
83°
68°
29
86°
70°
30
89°
71°
31
90°
70°
1
89°
64°
2
86°
63°
3
80°
64°
4
83°
65°
5
82°
63°
6
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Campbell
Campbell's May 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 63° and 71°. The average high for May is 85° with an average low of 67°. 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.
