S
M
T
W
T
F
S
26
90°
72°
27
91°
75°
28
94°
75°
29
88°
74°
30
88°
68°
31
91°
63°
1
88°
70°
2
91°
73°
3
84°
68°
4
85°
70°
5
88°
71°
6
89°
69°
7
86°
69°
8
92°
69°
9
91°
70°
10
90°
71°
11
92°
71°
12
91°
70°
13
94°
75°
14
95°
75°
15
95°
74°
16
95°
76°
17
99°
74°
18
94°
69°
19
95°
72°
20
97°
74°
21
91°
70°
22
88°
70°
23
87°
68°
24
86°
67°
25
87°
70°
26
90°
71°
27
88°
70°
28
87°
69°
29
86°
68°
30
82°
66°
31
81°
69°
1
80°
68°
2
79°
68°
3
80°
64°
4
79°
62°
5
78°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Austell
Austell's August 2026 forecast shows daily high temperatures ranging from 78° to 99°, with overnight lows between 62° and 74°. The average high for August is 87° with an average low of 69°. 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 Austell. See also: September | October | November.