S
M
T
W
T
F
S
28
90°
76°
29
91°
76°
30
87°
75°
1
88°
76°
2
89°
75°
3
89°
74°
4
89°
74°
5
91°
74°
6
90°
75°
7
89°
74°
8
90°
73°
9
90°
74°
10
91°
74°
11
90°
73°
12
90°
74°
13
91°
76°
14
90°
76°
15
91°
75°
16
90°
75°
17
89°
74°
18
89°
74°
19
90°
75°
20
90°
74°
21
91°
75°
22
89°
75°
23
89°
74°
24
90°
74°
25
91°
75°
26
90°
74°
27
91°
75°
28
93°
76°
29
93°
76°
30
92°
75°
31
91°
75°
1
89°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Saint Johns
Saint Johns's July 2026 forecast shows daily high temperatures ranging from 87° to 93°, with overnight lows between 73° and 76°. The average high for July is 90° 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 July weather will actually feel in Saint Johns. See also: August | September | October.
