S
M
T
W
T
F
S
31
77°
72°
1
79°
70°
2
79°
66°
3
79°
55°
4
87°
60°
5
87°
66°
6
88°
68°
7
90°
72°
8
89°
71°
9
83°
67°
10
86°
67°
11
90°
71°
12
92°
71°
13
89°
70°
14
88°
72°
15
88°
72°
16
89°
71°
17
87°
73°
18
88°
72°
19
90°
74°
20
90°
74°
21
89°
73°
22
90°
74°
23
88°
73°
24
86°
70°
25
88°
74°
26
89°
73°
27
90°
75°
28
91°
75°
29
89°
74°
30
90°
75°
1
86°
72°
2
82°
71°
3
85°
70°
4
86°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Johns Island
Johns Island's June 2026 forecast shows daily high temperatures ranging from 79° to 92°, with overnight lows between 55° and 75°. The average high for June is 88° with an average low of 71°. 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 Johns Island. See also: July | August | September.
