S
M
T
W
T
F
S
26
90°
75°
27
90°
75°
28
89°
74°
29
91°
76°
30
89°
77°
31
88°
76°
1
88°
76°
2
91°
76°
3
89°
76°
4
88°
77°
5
89°
76°
6
90°
76°
7
91°
77°
8
92°
77°
9
90°
76°
10
88°
76°
11
88°
75°
12
87°
75°
13
86°
76°
14
88°
76°
15
90°
75°
16
91°
76°
17
92°
76°
18
91°
75°
19
90°
76°
20
91°
76°
21
91°
75°
22
92°
76°
23
92°
76°
24
91°
75°
25
91°
75°
26
90°
76°
27
91°
76°
28
91°
72°
29
90°
71°
30
90°
72°
31
91°
73°
1
91°
73°
2
90°
72°
3
90°
73°
4
89°
73°
5
90°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. George Island
St. George Island's August 2026 forecast shows daily high temperatures ranging from 86° to 92°, with overnight lows between 71° and 77°. The average high for August 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 August weather will actually feel in St. George Island. See also: September | October | November.
