S
M
T
W
T
F
S
31
98°
67°
1
99°
72°
2
100°
72°
3
99°
67°
4
96°
69°
5
98°
70°
6
98°
74°
7
100°
69°
8
100°
68°
9
97°
68°
10
99°
69°
11
100°
73°
12
102°
74°
13
104°
71°
14
105°
71°
15
104°
70°
16
106°
73°
17
108°
75°
18
110°
75°
19
109°
76°
20
110°
78°
21
111°
81°
22
113°
82°
23
112°
81°
24
114°
83°
25
114°
84°
26
113°
80°
27
114°
82°
28
113°
81°
29
109°
79°
30
103°
78°
1
109°
79°
2
110°
83°
3
111°
80°
4
109°
80°
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 96° to 114°, with overnight lows between 67° and 84°. The average high for June is 106° 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 St. Johns. See also: July | August | September.
