S
M
T
W
T
F
S
26
91°
67°
27
90°
66°
28
90°
67°
29
87°
66°
30
82°
69°
31
89°
69°
1
88°
69°
2
86°
70°
3
91°
70°
4
90°
69°
5
89°
69°
6
83°
67°
7
82°
62°
8
81°
63°
9
84°
67°
10
84°
62°
11
82°
65°
12
88°
69°
13
89°
70°
14
90°
69°
15
89°
68°
16
88°
68°
17
89°
69°
18
89°
69°
19
88°
67°
20
83°
67°
21
81°
66°
22
80°
65°
23
80°
64°
24
79°
63°
25
81°
66°
26
83°
65°
27
80°
66°
28
87°
57°
29
83°
54°
30
81°
54°
31
83°
57°
1
86°
60°
2
87°
64°
3
86°
61°
4
86°
55°
5
85°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shelbyville
Shelbyville's August 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 54° and 70°. The average high for August is 85° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Shelbyville. See also: September | October | November.
