S
M
T
W
T
F
S
26
55°
40°
27
54°
39°
28
58°
42°
29
60°
39°
30
64°
41°
1
62°
41°
2
58°
43°
3
59°
40°
4
58°
38°
5
60°
46°
6
61°
50°
7
72°
48°
8
64°
45°
9
62°
48°
10
64°
43°
11
61°
41°
12
60°
41°
13
62°
42°
14
64°
46°
15
63°
44°
16
67°
52°
17
74°
48°
18
66°
44°
19
65°
47°
20
66°
49°
21
70°
55°
22
76°
57°
23
73°
54°
24
73°
52°
25
71°
56°
26
78°
58°
27
79°
53°
28
69°
51°
29
79°
54°
30
79°
54°
31
78°
54°
1
79°
55°
2
82°
56°
3
81°
59°
4
81°
60°
5
80°
60°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lake in the Hills
Lake in the Hills's May 2026 forecast shows daily high temperatures ranging from 54° to 82°, with overnight lows between 38° and 60°. The average high for May is 68° with an average low of 49°. 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 Lake in the Hills. See also: June | July | August.