S
M
T
W
T
F
S
31
102°
70°
1
105°
73°
2
108°
72°
3
109°
78°
4
109°
77°
5
109°
76°
6
108°
79°
7
110°
78°
8
111°
81°
9
112°
82°
10
113°
82°
11
105°
73°
12
108°
77°
13
107°
76°
14
107°
76°
15
106°
75°
16
104°
77°
17
108°
79°
18
110°
80°
19
110°
81°
20
109°
81°
21
110°
80°
22
110°
81°
23
109°
81°
24
109°
80°
25
107°
81°
26
105°
81°
27
106°
80°
28
104°
78°
29
106°
78°
30
108°
81°
1
110°
82°
2
110°
83°
3
109°
82°
4
108°
83°
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 102° to 113°, with overnight lows between 70° and 83°. The average high for June is 108° with an average low of 79°. 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.
