S
M
T
W
T
F
S
31
71°
46°
1
84°
50°
2
87°
58°
3
73°
52°
4
71°
51°
5
66°
49°
6
65°
45°
7
72°
49°
8
69°
53°
9
70°
54°
10
72°
52°
11
76°
53°
12
79°
55°
13
82°
57°
14
83°
56°
15
81°
57°
16
73°
52°
17
71°
49°
18
74°
50°
19
69°
49°
20
76°
51°
21
77°
49°
22
69°
50°
23
68°
49°
24
69°
49°
25
77°
50°
26
79°
55°
27
80°
56°
28
80°
55°
29
79°
53°
30
80°
54°
1
76°
52°
2
73°
51°
3
78°
51°
4
79°
52°
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 65° to 87°, with overnight lows between 45° and 58°. The average high for June is 75° with an average low of 52°. 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.
