S
M
T
W
T
F
S
26
68°
43°
27
68°
53°
28
64°
49°
29
59°
38°
30
57°
39°
1
51°
36°
2
55°
41°
3
64°
44°
4
62°
48°
5
63°
45°
6
60°
45°
7
61°
43°
8
60°
43°
9
61°
44°
10
68°
46°
11
62°
50°
12
65°
46°
13
62°
42°
14
61°
43°
15
62°
43°
16
64°
46°
17
65°
49°
18
73°
54°
19
73°
50°
20
71°
50°
21
65°
49°
22
66°
50°
23
73°
56°
24
74°
57°
25
76°
56°
26
71°
51°
27
67°
48°
28
70°
55°
29
76°
57°
30
78°
58°
31
78°
58°
1
79°
59°
2
80°
60°
3
80°
60°
4
79°
57°
5
70°
55°
6
75°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Peotone Township
Peotone Township's May 2026 forecast shows daily high temperatures ranging from 51° to 80°, with overnight lows between 36° and 61°. The average high for May is 68° with an average low of 50°. 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 Peotone Township. See also: June | July | August.