S
M
T
W
T
F
S
31
82°
53°
1
83°
58°
2
75°
53°
3
80°
49°
4
83°
56°
5
85°
59°
6
85°
62°
7
84°
66°
8
82°
62°
9
82°
63°
10
80°
60°
11
81°
65°
12
85°
66°
13
85°
66°
14
86°
65°
15
84°
65°
16
85°
60°
17
79°
59°
18
85°
63°
19
86°
64°
20
88°
64°
21
85°
65°
22
85°
64°
23
83°
64°
24
85°
63°
25
86°
65°
26
87°
65°
27
86°
64°
28
81°
65°
29
79°
65°
30
81°
64°
1
81°
62°
2
80°
60°
3
80°
59°
4
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Johnson City
Johnson City's June 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 49° and 66°. The average high for June is 83° with an average low of 62°. 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 Johnson City. See also: July | August | September.
