S
M
T
W
T
F
S
28
92°
74°
29
91°
74°
30
93°
77°
1
93°
73°
2
95°
73°
3
93°
75°
4
93°
73°
5
91°
71°
6
89°
70°
7
88°
71°
8
87°
69°
9
85°
70°
10
87°
68°
11
88°
70°
12
89°
70°
13
90°
69°
14
87°
67°
15
83°
64°
16
84°
64°
17
83°
63°
18
83°
64°
19
87°
70°
20
89°
71°
21
90°
71°
22
90°
70°
23
89°
71°
24
91°
71°
25
91°
70°
26
90°
72°
27
92°
72°
28
92°
71°
29
93°
71°
30
92°
72°
31
92°
70°
1
89°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Johnston City
Johnston City's July 2026 forecast shows daily high temperatures ranging from 83° to 95°, with overnight lows between 63° and 75°. The average high for July is 89° 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 Johnston City. See also: August | September | October.
