S
M
T
W
T
F
S
26
92°
71°
27
92°
71°
28
93°
70°
29
91°
70°
30
92°
71°
31
91°
70°
1
90°
69°
2
86°
69°
3
86°
70°
4
88°
70°
5
86°
69°
6
87°
70°
7
86°
70°
8
86°
69°
9
88°
69°
10
88°
68°
11
86°
69°
12
86°
68°
13
87°
69°
14
90°
66°
15
91°
68°
16
91°
67°
17
87°
66°
18
88°
67°
19
90°
68°
20
90°
63°
21
86°
63°
22
86°
64°
23
84°
62°
24
85°
62°
25
86°
63°
26
88°
62°
27
90°
63°
28
90°
65°
29
91°
67°
30
91°
67°
31
90°
66°
1
90°
65°
2
89°
64°
3
89°
66°
4
88°
60°
5
87°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dewey
Dewey's August 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 60° and 71°. The average high for August is 89° with an average low of 67°. 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 Dewey. See also: September | October | November.
