S
M
T
W
T
F
S
31
74°
57°
1
75°
58°
2
75°
57°
3
76°
57°
4
78°
62°
5
84°
63°
6
86°
64°
7
86°
64°
8
87°
63°
9
85°
64°
10
84°
65°
11
88°
65°
12
86°
66°
13
86°
66°
14
87°
65°
15
88°
64°
16
84°
66°
17
86°
67°
18
87°
66°
19
87°
67°
20
88°
67°
21
89°
60°
22
81°
60°
23
82°
61°
24
86°
65°
25
88°
64°
26
88°
65°
27
81°
66°
28
82°
64°
29
86°
65°
30
89°
69°
1
90°
69°
2
91°
68°
3
90°
70°
4
89°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Johnston City
Johnston City's June 2026 forecast shows daily high temperatures ranging from 74° to 91°, with overnight lows between 57° and 70°. The average high for June is 85° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Johnston City. See also: July | August | September.
