S
M
T
W
T
F
S
31
86°
53°
1
89°
56°
2
86°
57°
3
84°
58°
4
86°
54°
5
88°
52°
6
87°
50°
7
82°
54°
8
81°
54°
9
82°
53°
10
85°
55°
11
87°
55°
12
88°
56°
13
87°
56°
14
87°
57°
15
86°
56°
16
85°
57°
17
88°
57°
18
85°
58°
19
85°
57°
20
86°
58°
21
90°
59°
22
93°
60°
23
94°
59°
24
94°
60°
25
93°
61°
26
94°
61°
27
94°
62°
28
93°
62°
29
87°
61°
30
87°
61°
1
88°
59°
2
88°
62°
3
92°
63°
4
94°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St. Johns
St. Johns's June 2026 forecast shows daily high temperatures ranging from 81° to 94°, with overnight lows between 50° and 63°. The average high for June is 88° with an average low of 58°. 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. Johns. See also: July | August | September.
