S
M
T
W
T
F
S
26
73°
42°
27
72°
55°
28
65°
49°
29
58°
39°
30
60°
36°
1
55°
37°
2
59°
32°
3
72°
45°
4
82°
43°
5
57°
47°
6
57°
35°
7
65°
29°
8
72°
42°
9
77°
50°
10
68°
41°
11
69°
42°
12
76°
45°
13
68°
44°
14
73°
54°
15
80°
62°
16
77°
61°
17
83°
67°
18
82°
59°
19
71°
51°
20
67°
46°
21
69°
50°
22
69°
53°
23
73°
55°
24
77°
59°
25
78°
58°
26
79°
59°
27
77°
54°
28
76°
59°
29
75°
56°
30
70°
55°
31
71°
54°
1
71°
52°
2
72°
52°
3
72°
57°
4
75°
62°
5
82°
63°
6
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kewanee Township
Kewanee Township's May 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 46° and 67°. The average high for May is 75° with an average low of 57°. 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 Kewanee Township. See also: June | July | August.