S
M
T
W
T
F
S
28
83°
59°
29
90°
68°
30
92°
75°
1
95°
77°
2
94°
76°
3
91°
69°
4
86°
69°
5
80°
65°
6
83°
62°
7
85°
54°
8
88°
62°
9
85°
67°
10
83°
66°
11
85°
62°
12
85°
59°
13
91°
61°
14
97°
70°
15
97°
72°
16
85°
65°
17
88°
62°
18
91°
65°
19
80°
58°
20
83°
57°
21
85°
59°
22
74°
53°
23
79°
47°
24
81°
53°
25
83°
55°
26
87°
70°
27
84°
69°
28
81°
58°
29
81°
56°
30
83°
62°
31
84°
66°
1
79°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Johns
St. Johns's July 2026 forecast shows daily high temperatures ranging from 79° to 84°, with overnight lows between 56° and 66°. The average high for July is 82° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in St. Johns. See also: August | September | October.
