S
M
T
W
T
F
S
31
60°
42°
1
59°
40°
2
59°
41°
3
56°
43°
4
60°
41°
5
60°
36°
6
59°
34°
7
53°
36°
8
53°
42°
9
61°
43°
10
60°
39°
11
55°
43°
12
59°
43°
13
62°
42°
14
62°
44°
15
61°
45°
16
62°
46°
17
63°
45°
18
64°
45°
19
62°
44°
20
56°
46°
21
63°
47°
22
65°
49°
23
66°
48°
24
66°
49°
25
65°
49°
26
66°
48°
27
64°
50°
28
62°
49°
29
67°
50°
30
68°
51°
1
68°
50°
2
65°
52°
3
68°
48°
4
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St. John Island
St. John Island's June 2026 forecast shows daily high temperatures ranging from 53° to 68°, with overnight lows between 34° and 52°. The average high for June is 62° with an average low of 45°. 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 St. John Island. See also: July | August | September.
