S
M
T
W
T
F
S
26
87°
66°
27
87°
66°
28
86°
65°
29
85°
65°
30
83°
59°
31
79°
58°
1
78°
58°
2
79°
59°
3
80°
63°
4
80°
60°
5
81°
59°
6
83°
65°
7
83°
64°
8
81°
62°
9
80°
61°
10
80°
57°
11
82°
57°
12
82°
59°
13
84°
64°
14
87°
65°
15
86°
61°
16
83°
65°
17
88°
64°
18
86°
58°
19
81°
55°
20
78°
55°
21
77°
56°
22
78°
55°
23
78°
55°
24
79°
56°
25
82°
55°
26
82°
55°
27
84°
56°
28
81°
55°
29
77°
56°
30
77°
54°
31
80°
57°
1
83°
52°
2
77°
51°
3
76°
52°
4
77°
55°
5
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dewart
Dewart's August 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 51° and 66°. The average high for August is 81° with an average low of 59°. 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 Dewart. See also: September | October | November.