S
M
T
W
T
F
S
26
54°
37°
27
55°
37°
28
58°
36°
29
55°
32°
30
56°
41°
1
56°
38°
2
57°
36°
3
61°
42°
4
64°
43°
5
65°
42°
6
63°
44°
7
69°
46°
8
70°
46°
9
70°
43°
10
60°
41°
11
60°
41°
12
61°
42°
13
61°
44°
14
62°
43°
15
65°
44°
16
66°
47°
17
72°
48°
18
68°
36°
19
64°
36°
20
64°
37°
21
63°
36°
22
64°
37°
23
65°
39°
24
64°
44°
25
67°
50°
26
73°
41°
27
68°
42°
28
67°
50°
29
67°
46°
30
80°
42°
31
68°
46°
1
70°
42°
2
72°
51°
3
75°
53°
4
80°
43°
5
75°
43°
6
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Crystal Mountain
Crystal Mountain's May 2026 forecast shows daily high temperatures ranging from 54° to 80°, with overnight lows between 32° and 53°. The average high for May is 65° 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 Crystal Mountain. See also: June | July | August.