S
M
T
W
T
F
S
26
98°
75°
27
97°
76°
28
98°
75°
29
97°
76°
30
98°
77°
31
99°
76°
1
98°
75°
2
96°
75°
3
96°
74°
4
97°
75°
5
97°
75°
6
96°
74°
7
98°
75°
8
97°
75°
9
97°
74°
10
96°
75°
11
96°
74°
12
95°
74°
13
94°
72°
14
93°
72°
15
96°
72°
16
98°
71°
17
96°
72°
18
97°
71°
19
96°
70°
20
97°
68°
21
96°
68°
22
91°
66°
23
91°
67°
24
92°
67°
25
96°
68°
26
96°
67°
27
95°
67°
28
96°
71°
29
97°
72°
30
96°
72°
31
96°
71°
1
95°
70°
2
94°
69°
3
94°
67°
4
93°
70°
5
95°
67°
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 91° to 99°, with overnight lows between 66° and 77°. The average high for August is 96° with an average low of 72°. 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.
