S
M
T
W
T
F
S
26
66°
43°
27
68°
52°
28
66°
54°
29
55°
39°
30
57°
37°
1
48°
34°
2
55°
30°
3
66°
45°
4
84°
52°
5
59°
46°
6
61°
43°
7
61°
37°
8
66°
43°
9
77°
46°
10
63°
46°
11
55°
43°
12
75°
41°
13
55°
41°
14
65°
46°
15
70°
57°
16
80°
62°
17
84°
66°
18
84°
66°
19
73°
53°
20
61°
47°
21
59°
48°
22
64°
50°
23
67°
53°
24
74°
57°
25
72°
59°
26
74°
57°
27
73°
52°
28
74°
56°
29
72°
56°
30
68°
53°
31
68°
51°
1
69°
48°
2
67°
48°
3
68°
52°
4
70°
59°
5
78°
60°
6
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in New Chicago
New Chicago's May 2026 forecast shows daily high temperatures ranging from 59° to 84°, with overnight lows between 46° and 66°. The average high for May is 71° with an average low of 55°. 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 New Chicago. See also: June | July | August.
