S
M
T
W
T
F
S
26
89°
73°
27
88°
73°
28
88°
72°
29
87°
73°
30
89°
73°
31
91°
72°
1
92°
73°
2
91°
72°
3
90°
71°
4
89°
72°
5
88°
72°
6
87°
73°
7
92°
69°
8
91°
68°
9
89°
68°
10
92°
69°
11
91°
69°
12
90°
70°
13
89°
69°
14
89°
70°
15
91°
71°
16
90°
71°
17
87°
70°
18
89°
72°
19
91°
71°
20
91°
71°
21
90°
69°
22
86°
70°
23
85°
69°
24
86°
67°
25
86°
66°
26
87°
67°
27
88°
68°
28
90°
67°
29
90°
67°
30
89°
68°
31
89°
69°
1
90°
67°
2
85°
66°
3
85°
66°
4
86°
69°
5
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. George
St. George's August 2026 forecast shows daily high temperatures ranging from 85° to 92°, with overnight lows between 66° and 73°. The average high for August is 89° with an average low of 70°. 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. See also: September | October | November.
