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
86°
73°
20
86°
73°
21
N/A
22
93°
76°
23
94°
72°
24
89°
73°
25
90°
73°
26
92°
75°
27
93°
75°
28
96°
74°
29
94°
73°
30
92°
74°
1
95°
76°
2
92°
74°
3
93°
74°
4
91°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Johns Island
Johns Island's June 2026 forecast shows daily high temperatures ranging from 89° to 96°, with overnight lows between 72° and 76°. The average high for June is 93° 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.
