S
M
T
W
T
F
S
26
75°
55°
27
73°
54°
28
61°
45°
29
61°
43°
30
64°
37°
1
64°
32°
2
63°
36°
3
81°
41°
4
82°
52°
5
59°
46°
6
59°
45°
7
70°
37°
8
64°
50°
9
82°
43°
10
70°
46°
11
79°
41°
12
81°
55°
13
77°
46°
14
79°
45°
15
88°
64°
16
82°
67°
17
85°
72°
18
88°
51°
19
71°
49°
20
69°
50°
21
74°
50°
22
80°
58°
23
84°
60°
24
78°
58°
25
81°
60°
26
80°
64°
27
81°
62°
28
79°
57°
29
82°
58°
30
74°
56°
31
73°
58°
1
74°
54°
2
75°
57°
3
76°
63°
4
84°
64°
5
84°
65°
6
82°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Crystal Lakes
Crystal Lakes's May 2026 forecast shows daily high temperatures ranging from 69° to 88°, with overnight lows between 49° and 72°. The average high for May is 79° with an average low of 59°. 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 Lakes. See also: June | July | August.
