S
M
T
W
T
F
S
26
91°
72°
27
90°
73°
28
90°
74°
29
91°
74°
30
92°
73°
31
92°
74°
1
93°
74°
2
92°
72°
3
92°
72°
4
92°
71°
5
92°
72°
6
91°
74°
7
93°
70°
8
95°
71°
9
93°
70°
10
95°
71°
11
94°
72°
12
92°
71°
13
91°
71°
14
91°
72°
15
92°
72°
16
91°
71°
17
90°
72°
18
91°
73°
19
94°
72°
20
95°
72°
21
94°
71°
22
90°
71°
23
90°
72°
24
91°
70°
25
90°
69°
26
91°
70°
27
90°
69°
28
92°
70°
29
93°
71°
30
93°
70°
31
92°
71°
1
93°
70°
2
91°
70°
3
89°
69°
4
89°
71°
5
90°
71°
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 89° to 95°, with overnight lows between 69° and 74°. The average high for August is 92° with an average low of 71°. 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.
