S
M
T
W
T
F
S
28
104°
69°
29
104°
70°
30
100°
67°
1
98°
69°
2
99°
66°
3
95°
67°
4
91°
64°
5
89°
63°
6
96°
65°
7
99°
69°
8
97°
66°
9
93°
67°
10
91°
67°
11
103°
71°
12
105°
70°
13
99°
69°
14
101°
69°
15
102°
70°
16
99°
68°
17
94°
66°
18
97°
73°
19
98°
72°
20
98°
72°
21
97°
72°
22
97°
71°
23
96°
71°
24
96°
70°
25
95°
71°
26
96°
71°
27
97°
72°
28
97°
72°
29
96°
71°
30
97°
72°
31
97°
72°
1
96°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Johnson City
Johnson City's July 2026 forecast shows daily high temperatures ranging from 89° to 105°, with overnight lows between 63° and 73°. The average high for July is 97° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Johnson City. See also: August | September | October.
