S
M
T
W
T
F
S
26
68°
49°
27
71°
49°
28
70°
50°
29
68°
47°
30
74°
48°
1
75°
50°
2
71°
50°
3
70°
51°
4
71°
52°
5
68°
48°
6
69°
45°
7
70°
48°
8
71°
47°
9
71°
47°
10
70°
50°
11
77°
51°
12
77°
51°
13
76°
50°
14
74°
50°
15
75°
48°
16
77°
48°
17
76°
50°
18
74°
52°
19
71°
49°
20
70°
45°
21
71°
47°
22
72°
51°
23
73°
47°
24
73°
45°
25
71°
46°
26
71°
45°
27
73°
50°
28
73°
53°
29
75°
51°
30
77°
51°
31
77°
52°
1
78°
51°
2
76°
51°
3
76°
49°
4
75°
51°
5
76°
55°
6
81°
56°
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 68° to 81°, with overnight lows between 45° and 56°. The average high for May is 73° with an average low of 49°. 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.
