S
M
T
W
T
F
S
31
77°
72°
1
79°
70°
2
79°
66°
3
79°
61°
4
84°
59°
5
84°
61°
6
84°
64°
7
86°
70°
8
86°
72°
9
86°
72°
10
88°
72°
11
86°
75°
12
97°
77°
13
95°
75°
14
90°
75°
15
93°
75°
16
86°
73°
17
90°
75°
18
88°
72°
19
90°
74°
20
91°
69°
21
91°
74°
22
92°
75°
23
95°
74°
24
91°
73°
25
90°
75°
26
92°
73°
27
90°
72°
28
92°
72°
29
91°
73°
30
91°
74°
1
92°
75°
2
91°
74°
3
89°
75°
4
91°
75°
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 89° to 95°, with overnight lows between 69° and 75°. The average high for June is 91° with an average low of 74°. 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.
