S
M
T
W
T
F
S
26
89°
68°
27
89°
72°
28
91°
71°
29
86°
68°
30
85°
71°
31
86°
71°
1
86°
70°
2
92°
72°
3
92°
72°
4
91°
71°
5
91°
70°
6
90°
72°
7
92°
73°
8
92°
73°
9
93°
71°
10
91°
70°
11
89°
69°
12
91°
71°
13
89°
70°
14
84°
64°
15
83°
63°
16
83°
63°
17
84°
65°
18
85°
68°
19
85°
69°
20
89°
69°
21
87°
68°
22
86°
68°
23
88°
69°
24
89°
64°
25
86°
63°
26
86°
67°
27
87°
66°
28
85°
67°
29
86°
65°
30
82°
64°
31
82°
66°
1
84°
66°
2
83°
62°
3
82°
57°
4
80°
56°
5
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shawneetown
Shawneetown's August 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 56° and 73°. The average high for August is 87° 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 Shawneetown. See also: September | October | November.
