S
M
T
W
T
F
S
26
92°
71°
27
91°
72°
28
94°
74°
29
94°
74°
30
94°
73°
31
93°
73°
1
91°
72°
2
90°
72°
3
91°
71°
4
93°
74°
5
94°
74°
6
95°
73°
7
95°
73°
8
94°
74°
9
95°
73°
10
92°
72°
11
94°
72°
12
93°
71°
13
94°
70°
14
92°
72°
15
94°
73°
16
94°
73°
17
92°
72°
18
93°
73°
19
91°
71°
20
Hist. Avg.
91°
73°
21
Hist. Avg.
91°
73°
22
Hist. Avg.
91°
73°
23
Hist. Avg.
91°
73°
24
Hist. Avg.
91°
73°
25
Hist. Avg.
91°
73°
26
Hist. Avg.
91°
73°
27
Hist. Avg.
91°
73°
28
Hist. Avg.
91°
73°
29
Hist. Avg.
91°
73°
30
Hist. Avg.
91°
72°
31
Hist. Avg.
90°
72°
1
Hist. Avg.
90°
72°
2
Hist. Avg.
90°
72°
3
Hist. Avg.
90°
72°
4
Hist. Avg.
90°
72°
5
Hist. Avg.
90°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in St. Marks
St. Marks's August 2026 forecast shows daily high temperatures ranging from 90° to 95°, with overnight lows between 70° and 74°. The average high for August is 93° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in St. Marks. See also: September | October | November.
