S
M
T
W
T
F
S
26
68°
33°
27
70°
46°
28
62°
37°
29
44°
37°
30
48°
34°
1
42°
28°
2
52°
22°
3
59°
34°
4
75°
34°
5
56°
34°
6
52°
28°
7
52°
27°
8
63°
23°
9
59°
36°
10
57°
24°
11
53°
26°
12
64°
28°
13
47°
37°
14
65°
37°
15
73°
37°
16
82°
55°
17
76°
47°
18
78°
53°
19
78°
48°
20
56°
37°
21
59°
37°
22
63°
47°
23
58°
49°
24
71°
45°
25
79°
53°
26
83°
49°
27
80°
48°
28
79°
49°
29
78°
48°
30
75°
51°
31
76°
50°
1
73°
51°
2
72°
50°
3
73°
47°
4
75°
52°
5
74°
49°
6
66°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in McBain
McBain's May 2026 forecast shows daily high temperatures ranging from 58° to 83°, with overnight lows between 37° and 53°. The average high for May is 73° with an average low of 48°. 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 McBain. See also: June | July | August.