S
M
T
W
T
F
S
26
87°
75°
27
88°
75°
28
87°
74°
29
87°
75°
30
88°
75°
31
88°
74°
1
87°
74°
2
87°
73°
3
88°
75°
4
89°
75°
5
88°
74°
6
87°
75°
7
87°
75°
8
88°
74°
9
88°
74°
10
91°
73°
11
90°
74°
12
90°
75°
13
91°
73°
14
88°
74°
15
89°
73°
16
88°
73°
17
89°
72°
18
90°
73°
19
90°
73°
20
91°
72°
21
90°
70°
22
87°
72°
23
87°
72°
24
86°
73°
25
87°
72°
26
87°
70°
27
88°
70°
28
87°
71°
29
87°
70°
30
88°
70°
31
88°
72°
1
90°
72°
2
88°
73°
3
89°
74°
4
86°
73°
5
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. Augustine Shores
St. Augustine Shores's August 2026 forecast shows daily high temperatures ranging from 86° to 91°, with overnight lows between 70° and 75°. The average high for August is 88° 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 August weather will actually feel in St. Augustine Shores. See also: September | October | November.
