S
M
T
W
T
F
S
26
52°
37°
27
56°
31°
28
62°
27°
29
68°
26°
30
71°
27°
1
74°
30°
2
73°
36°
3
74°
47°
4
76°
38°
5
77°
38°
6
79°
38°
7
79°
38°
8
77°
38°
9
81°
34°
10
86°
36°
11
86°
39°
12
88°
38°
13
66°
39°
14
77°
28°
15
70°
29°
16
59°
38°
17
54°
36°
18
65°
32°
19
71°
27°
20
77°
34°
21
78°
43°
22
82°
37°
23
80°
49°
24
84°
51°
25
81°
40°
26
53°
37°
27
49°
41°
28
65°
45°
29
68°
43°
30
74°
42°
31
71°
43°
1
78°
45°
2
83°
50°
3
81°
49°
4
84°
50°
5
74°
45°
6
79°
50°
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 49° to 84°, with overnight lows between 37° and 51°. The average high for May is 74° with an average low of 45°. 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.
