S
M
T
W
T
F
S
26
34°
25°
27
34°
27°
28
32°
23°
29
36°
27°
30
32°
23°
1
38°
18°
2
47°
25°
3
48°
31°
4
43°
26°
5
41°
21°
6
40°
24°
7
50°
27°
8
50°
31°
9
52°
29°
10
51°
28°
11
43°
26°
12
45°
29°
13
46°
30°
14
47°
25°
15
43°
24°
16
43°
21°
17
44°
22°
18
44°
22°
19
45°
23°
20
45°
23°
21
43°
22°
22
45°
23°
23
46°
24°
24
43°
24°
25
44°
23°
26
44°
21°
27
45°
21°
28
47°
23°
29
50°
24°
30
56°
27°
31
55°
33°
1
51°
30°
2
52°
27°
3
55°
28°
4
58°
28°
5
58°
31°
6
57°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Crystal
Crystal's May 2026 forecast shows daily high temperatures ranging from 38° to 58°, with overnight lows between 18° and 33°. The average high for May is 47° with an average low of 26°. 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. See also: June | July | August.
