S
M
T
W
T
F
S
26
63°
39°
27
67°
48°
28
62°
49°
29
58°
38°
30
57°
35°
1
52°
34°
2
56°
41°
3
63°
44°
4
75°
49°
5
57°
40°
6
53°
36°
7
53°
38°
8
63°
44°
9
64°
45°
10
65°
46°
11
63°
49°
12
67°
48°
13
65°
47°
14
67°
39°
15
64°
46°
16
64°
45°
17
65°
54°
18
72°
54°
19
66°
53°
20
70°
55°
21
74°
55°
22
70°
54°
23
74°
51°
24
67°
49°
25
67°
52°
26
69°
57°
27
73°
55°
28
69°
54°
29
69°
50°
30
71°
49°
31
70°
50°
1
70°
55°
2
79°
54°
3
70°
53°
4
71°
51°
5
71°
51°
6
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Chicago
West Chicago's May 2026 forecast shows daily high temperatures ranging from 52° to 79°, with overnight lows between 34° and 57°. The average high for May is 67° 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 West Chicago. See also: June | July | August.
