S
M
T
W
T
F
S
26
51°
36°
27
47°
37°
28
47°
32°
29
48°
28°
30
47°
31°
1
41°
37°
2
50°
38°
3
47°
40°
4
45°
38°
5
49°
38°
6
47°
36°
7
50°
40°
8
49°
39°
9
50°
40°
10
51°
41°
11
52°
40°
12
51°
41°
13
50°
42°
14
69°
51°
15
54°
38°
16
55°
38°
17
55°
41°
18
54°
41°
19
55°
42°
20
56°
41°
21
55°
40°
22
56°
40°
23
56°
44°
24
57°
42°
25
57°
40°
26
58°
41°
27
61°
42°
28
63°
43°
29
64°
46°
30
63°
48°
31
62°
48°
1
64°
46°
2
65°
47°
3
65°
46°
4
64°
47°
5
66°
48°
6
67°
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 41° to 69°, with overnight lows between 36° and 51°. The average high for May is 56° with an average low of 42°. 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.
