S
M
T
W
T
F
S
26
89°
68°
27
90°
69°
28
90°
69°
29
89°
68°
30
90°
69°
31
89°
69°
1
88°
68°
2
87°
68°
3
84°
67°
4
87°
68°
5
85°
68°
6
85°
67°
7
86°
68°
8
85°
67°
9
86°
67°
10
87°
68°
11
86°
68°
12
85°
66°
13
85°
65°
14
88°
62°
15
90°
67°
16
90°
66°
17
86°
65°
18
85°
66°
19
86°
67°
20
86°
62°
21
85°
62°
22
83°
61°
23
83°
60°
24
84°
60°
25
84°
61°
26
88°
62°
27
88°
62°
28
87°
64°
29
89°
66°
30
90°
66°
31
89°
65°
1
88°
64°
2
87°
62°
3
87°
65°
4
86°
60°
5
85°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Demorest
Demorest's August 2026 forecast shows daily high temperatures ranging from 83° to 90°, with overnight lows between 60° and 69°. The average high for August is 87° 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 Demorest. See also: September | October | November.