S
M
T
W
T
F
S
26
89°
71°
27
90°
72°
28
89°
72°
29
90°
71°
30
91°
72°
31
90°
72°
1
89°
71°
2
84°
71°
3
83°
70°
4
85°
71°
5
83°
71°
6
84°
70°
7
85°
70°
8
85°
69°
9
86°
70°
10
85°
71°
11
85°
71°
12
86°
70°
13
86°
68°
14
90°
65°
15
91°
68°
16
91°
68°
17
85°
69°
18
86°
70°
19
85°
69°
20
85°
64°
21
86°
64°
22
84°
65°
23
84°
63°
24
83°
63°
25
85°
64°
26
86°
64°
27
89°
65°
28
89°
66°
29
90°
69°
30
91°
69°
31
90°
68°
1
87°
68°
2
88°
67°
3
87°
66°
4
84°
62°
5
85°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Alcoa
Alcoa's August 2026 forecast shows daily high temperatures ranging from 83° to 91°, with overnight lows between 62° and 72°. The average high for August is 87° with an average low of 68°. 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 Alcoa. See also: September | October | November.
