S
M
T
W
T
F
S
28
97°
73°
29
98°
73°
30
99°
77°
1
95°
75°
2
95°
70°
3
96°
73°
4
98°
73°
5
95°
74°
6
90°
75°
7
94°
75°
8
93°
75°
9
91°
73°
10
94°
75°
11
94°
74°
12
91°
73°
13
88°
72°
14
92°
71°
15
90°
72°
16
93°
73°
17
92°
72°
18
93°
71°
19
93°
74°
20
90°
71°
21
93°
73°
22
93°
74°
23
92°
73°
24
94°
74°
25
94°
74°
26
92°
73°
27
90°
72°
28
91°
73°
29
91°
74°
30
90°
74°
31
87°
73°
1
87°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Marks
St. Marks's July 2026 forecast shows daily high temperatures ranging from 87° to 94°, with overnight lows between 71° and 75°. The average high for July is 91° with an average low of 73°. 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. Marks. See also: August | September | October.
