S
M
T
W
T
F
S
26
105°
77°
27
107°
76°
28
108°
77°
29
103°
75°
30
104°
74°
31
99°
70°
1
99°
70°
2
100°
69°
3
101°
70°
4
100°
69°
5
99°
70°
6
100°
70°
7
101°
74°
8
99°
74°
9
98°
73°
10
99°
70°
11
99°
69°
12
101°
68°
13
99°
68°
14
98°
67°
15
97°
66°
16
96°
67°
17
97°
73°
18
97°
74°
19
99°
73°
20
100°
72°
21
101°
73°
22
101°
73°
23
100°
70°
24
99°
69°
25
98°
68°
26
97°
68°
27
95°
64°
28
95°
63°
29
94°
63°
30
94°
64°
31
95°
63°
1
97°
63°
2
99°
65°
3
99°
69°
4
100°
66°
5
100°
69°
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 94° to 108°, with overnight lows between 63° and 77°. The average high for August is 99° 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.
