S
M
T
W
T
F
S
26
80°
60°
27
80°
61°
28
81°
60°
29
82°
64°
30
82°
65°
31
85°
66°
1
87°
65°
2
87°
65°
3
86°
67°
4
87°
59°
5
85°
57°
6
80°
56°
7
77°
57°
8
79°
56°
9
79°
56°
10
80°
57°
11
80°
62°
12
86°
64°
13
87°
63°
14
86°
62°
15
87°
58°
16
86°
56°
17
79°
55°
18
80°
57°
19
81°
58°
20
82°
56°
21
82°
55°
22
78°
61°
23
85°
62°
24
86°
62°
25
87°
57°
26
79°
61°
27
82°
63°
28
86°
62°
29
86°
63°
30
85°
60°
31
84°
59°
1
76°
58°
2
82°
58°
3
80°
57°
4
80°
59°
5
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Winterset
Winterset's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 55° and 67°. The average high for August is 83° with an average low of 60°. 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 Winterset. See also: September | October | November.
