S
M
T
W
T
F
S
26
89°
68°
27
90°
69°
28
91°
68°
29
90°
68°
30
90°
67°
31
86°
67°
1
86°
66°
2
89°
69°
3
91°
69°
4
91°
68°
5
90°
69°
6
90°
68°
7
87°
62°
8
88°
64°
9
87°
60°
10
84°
59°
11
83°
59°
12
84°
60°
13
83°
61°
14
83°
60°
15
82°
63°
16
85°
64°
17
85°
62°
18
84°
62°
19
83°
61°
20
83°
61°
21
84°
62°
22
84°
58°
23
87°
64°
24
89°
65°
25
90°
65°
26
91°
64°
27
90°
57°
28
89°
57°
29
82°
61°
30
81°
58°
31
82°
56°
1
83°
57°
2
81°
55°
3
80°
54°
4
80°
54°
5
81°
60°
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 80° to 91°, with overnight lows between 54° and 69°. The average high for August is 86° with an average low of 62°. 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.
