S
M
T
W
T
F
S
26
86°
70°
27
87°
64°
28
87°
65°
29
89°
68°
30
94°
65°
31
91°
68°
1
93°
65°
2
88°
64°
3
87°
65°
4
84°
62°
5
85°
63°
6
85°
63°
7
86°
64°
8
85°
66°
9
85°
65°
10
88°
67°
11
91°
69°
12
86°
70°
13
93°
67°
14
93°
61°
15
88°
61°
16
83°
67°
17
86°
68°
18
88°
64°
19
91°
64°
20
86°
68°
21
87°
65°
22
90°
65°
23
88°
66°
24
89°
67°
25
88°
65°
26
91°
65°
27
86°
66°
28
89°
65°
29
87°
66°
30
88°
66°
31
90°
65°
1
86°
64°
2
87°
64°
3
85°
57°
4
83°
56°
5
80°
56°
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 80° to 94°, with overnight lows between 56° and 70°. The average high for August is 88° with an average low of 65°. 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.
