S
M
T
W
T
F
S
26
97°
76°
27
96°
78°
28
89°
72°
29
85°
65°
30
84°
62°
31
82°
68°
1
72°
66°
2
83°
64°
3
84°
60°
4
89°
66°
5
75°
69°
6
81°
69°
7
87°
64°
8
86°
69°
9
89°
70°
10
89°
76°
11
92°
75°
12
83°
73°
13
85°
71°
14
82°
73°
15
89°
72°
16
83°
71°
17
82°
65°
18
83°
64°
19
82°
66°
20
84°
63°
21
86°
64°
22
83°
62°
23
77°
57°
24
77°
53°
25
83°
58°
26
86°
59°
27
82°
55°
28
83°
58°
29
83°
63°
30
88°
68°
31
90°
66°
1
86°
68°
2
90°
66°
3
86°
65°
4
79°
58°
5
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tennessee
Tennessee's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 55° and 68°. The average high for August is 85° with an average low of 62°. 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 Tennessee. See also: September | October | November.
