S
M
T
W
T
F
S
31
87°
74°
1
88°
73°
2
89°
70°
3
85°
73°
4
86°
72°
5
85°
73°
6
85°
73°
7
86°
72°
8
85°
74°
9
83°
74°
10
84°
73°
11
85°
74°
12
85°
74°
13
86°
73°
14
87°
75°
15
86°
75°
16
87°
74°
17
86°
74°
18
87°
75°
19
87°
75°
20
88°
74°
21
88°
75°
22
86°
75°
23
86°
76°
24
88°
76°
25
90°
75°
26
89°
76°
27
89°
77°
28
90°
76°
29
91°
76°
30
87°
75°
1
88°
76°
2
89°
75°
3
89°
74°
4
89°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Saint Johns
Saint Johns's June 2026 forecast shows daily high temperatures ranging from 83° to 91°, with overnight lows between 70° and 77°. The average high for June is 87° with an average low of 74°. 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 Saint Johns. See also: July | August | September.
