S
M
T
W
T
F
S
27
103°
68°
28
99°
66°
29
100°
69°
30
86°
65°
31
85°
61°
1
87°
62°
2
94°
61°
3
87°
60°
4
89°
60°
5
98°
67°
6
99°
64°
7
103°
66°
8
105°
64°
9
94°
64°
10
89°
61°
11
85°
62°
12
89°
61°
13
96°
60°
14
103°
68°
15
104°
67°
16
98°
69°
17
99°
69°
18
100°
63°
19
93°
64°
20
93°
63°
21
94°
61°
22
95°
59°
23
84°
64°
24
94°
61°
25
68°
59°
26
65°
57°
27
91°
61°
28
80°
65°
29
86°
65°
30
82°
65°
31
85°
59°
1
89°
57°
2
87°
55°
3
95°
58°
4
97°
55°
5
69°
51°
6
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Johnson City
Johnson City's August 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Johnson City. See also: September | October | November.
