S
M
T
W
T
F
S
26
84°
71°
27
84°
63°
28
84°
64°
29
85°
68°
30
87°
66°
31
86°
69°
1
89°
67°
2
88°
66°
3
85°
65°
4
83°
63°
5
84°
64°
6
83°
64°
7
84°
63°
8
84°
63°
9
85°
68°
10
88°
66°
11
86°
68°
12
88°
69°
13
88°
69°
14
90°
68°
15
90°
63°
16
86°
63°
17
84°
64°
18
87°
66°
19
89°
61°
20
83°
61°
21
82°
62°
22
83°
61°
23
84°
63°
24
89°
66°
25
88°
65°
26
89°
64°
27
87°
61°
28
82°
60°
29
82°
65°
30
86°
65°
31
87°
64°
1
87°
64°
2
86°
63°
3
85°
64°
4
85°
63°
5
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Du Quoin
Du Quoin's August 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 60° and 71°. The average high for August is 86° 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 Du Quoin. See also: September | October | November.
