S
M
T
W
T
F
S
26
69°
49°
27
72°
51°
28
69°
57°
29
64°
47°
30
60°
39°
1
55°
41°
2
54°
36°
3
64°
35°
4
75°
52°
5
63°
47°
6
58°
44°
7
61°
38°
8
66°
47°
9
74°
52°
10
69°
53°
11
72°
43°
12
77°
42°
13
67°
47°
14
66°
39°
15
69°
43°
16
76°
59°
17
86°
66°
18
81°
69°
19
82°
63°
20
69°
52°
21
66°
55°
22
72°
54°
23
76°
59°
24
77°
61°
25
78°
60°
26
78°
60°
27
77°
61°
28
78°
59°
29
80°
60°
30
79°
57°
31
81°
61°
1
80°
63°
2
80°
62°
3
75°
57°
4
73°
55°
5
74°
56°
6
78°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Shelbyville
Shelbyville's May 2026 forecast shows daily high temperatures ranging from 66° to 86°, with overnight lows between 52° and 69°. The average high for May is 77° with an average low of 60°. 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 Shelbyville. See also: June | July | August.