S
M
T
W
T
F
S
26
51°
30°
27
50°
34°
28
57°
37°
29
57°
37°
30
58°
38°
1
61°
40°
2
60°
42°
3
60°
41°
4
61°
35°
5
59°
40°
6
65°
38°
7
57°
33°
8
58°
36°
9
59°
39°
10
58°
39°
11
58°
36°
12
59°
34°
13
60°
36°
14
61°
39°
15
62°
42°
16
69°
45°
17
61°
43°
18
61°
39°
19
62°
40°
20
66°
42°
21
68°
45°
22
66°
44°
23
64°
41°
24
61°
38°
25
62°
42°
26
63°
42°
27
64°
44°
28
67°
44°
29
73°
48°
30
75°
49°
31
72°
47°
1
75°
47°
2
64°
39°
3
70°
46°
4
75°
49°
5
73°
46°
6
79°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hailey
Hailey's May 2026 forecast shows daily high temperatures ranging from 50° to 79°, with overnight lows between 30° and 52°. The average high for May is 63° with an average low of 41°. 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 Hailey. See also: June | July | August.
