S
M
T
W
T
F
S
26
45°
21°
27
50°
23°
28
51°
25°
29
57°
32°
30
62°
28°
1
64°
34°
2
68°
35°
3
72°
37°
4
70°
41°
5
67°
36°
6
69°
38°
7
70°
38°
8
65°
39°
9
64°
38°
10
68°
40°
11
61°
39°
12
63°
39°
13
62°
38°
14
65°
45°
15
56°
32°
16
58°
33°
17
58°
39°
18
56°
37°
19
54°
37°
20
54°
33°
21
56°
35°
22
56°
32°
23
57°
33°
24
58°
34°
25
59°
33°
26
64°
36°
27
66°
42°
28
67°
42°
29
67°
43°
30
68°
45°
31
63°
43°
1
62°
42°
2
60°
39°
3
68°
45°
4
61°
43°
5
64°
45°
6
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in McCall
McCall's May 2026 forecast shows daily high temperatures ranging from 54° to 72°, with overnight lows between 32° and 45°. The average high for May is 63° with an average low of 39°. 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 McCall. See also: June | July | August.