S
M
T
W
T
F
S
31
77°
72°
1
80°
70°
2
77°
61°
3
78°
65°
4
81°
66°
5
81°
69°
6
88°
73°
7
86°
74°
8
88°
75°
9
87°
76°
10
87°
74°
11
88°
73°
12
88°
74°
13
87°
74°
14
86°
76°
15
87°
77°
16
87°
77°
17
86°
76°
18
88°
77°
19
87°
77°
20
87°
76°
21
85°
78°
22
89°
78°
23
88°
77°
24
88°
78°
25
87°
78°
26
89°
77°
27
88°
77°
28
89°
78°
29
86°
77°
30
87°
76°
1
85°
74°
2
85°
75°
3
86°
77°
4
87°
78°
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 77° to 89°, with overnight lows between 61° and 78°. The average high for June is 86° with an average low of 75°. 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.
