S
M
T
W
T
F
S
26
76°
52°
27
70°
49°
28
75°
55°
29
73°
55°
30
76°
56°
1
73°
56°
2
77°
58°
3
80°
57°
4
79°
50°
5
70°
48°
6
69°
48°
7
71°
49°
8
72°
55°
9
75°
50°
10
71°
49°
11
72°
50°
12
76°
59°
13
82°
60°
14
82°
60°
15
81°
59°
16
82°
60°
17
82°
61°
18
84°
62°
19
84°
62°
20
83°
61°
21
81°
59°
22
76°
56°
23
77°
56°
24
79°
58°
25
85°
62°
26
85°
60°
27
79°
58°
28
81°
62°
29
86°
63°
30
87°
59°
31
85°
59°
1
86°
57°
2
82°
57°
3
80°
56°
4
80°
57°
5
81°
58°
6
81°
62°
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 69° to 87°, with overnight lows between 48° and 63°. The average high for May is 79° 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 Shelbyville. See also: June | July | August.