S
M
T
W
T
F
S
31
46°
38°
1
48°
37°
2
53°
39°
3
57°
42°
4
60°
45°
5
61°
48°
6
64°
42°
7
58°
42°
8
58°
45°
9
61°
45°
10
62°
44°
11
57°
43°
12
55°
42°
13
55°
44°
14
56°
40°
15
55°
41°
16
56°
42°
17
57°
41°
18
56°
42°
19
57°
41°
20
55°
42°
21
56°
41°
22
56°
41°
23
57°
43°
24
59°
42°
25
59°
47°
26
60°
49°
27
60°
49°
28
61°
48°
29
60°
46°
30
60°
46°
1
61°
50°
2
62°
49°
3
63°
47°
4
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St. John's
St. John's's June 2026 forecast shows daily high temperatures ranging from 46° to 64°, with overnight lows between 37° and 50°. The average high for June is 58° with an average low of 44°. 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's. See also: July | August | September.
