S
M
T
W
T
F
S
26
34°
26°
27
42°
26°
28
48°
24°
29
50°
27°
30
56°
23°
1
67°
24°
2
69°
28°
3
70°
30°
4
58°
36°
5
48°
25°
6
65°
22°
7
66°
36°
8
69°
30°
9
64°
34°
10
77°
30°
11
74°
41°
12
80°
30°
13
81°
45°
14
61°
42°
15
58°
37°
16
43°
32°
17
43°
25°
18
46°
27°
19
61°
35°
20
61°
37°
21
58°
31°
22
68°
37°
23
77°
44°
24
81°
48°
25
81°
46°
26
69°
41°
27
71°
39°
28
77°
43°
29
75°
43°
30
74°
46°
31
76°
47°
1
72°
43°
2
69°
41°
3
74°
47°
4
76°
46°
5
73°
46°
6
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cardwell
Cardwell's May 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 31° and 48°. The average high for May is 72° 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 Cardwell. See also: June | July | August.