S
M
T
W
T
F
S
26
97°
76°
27
95°
81°
28
88°
77°
29
86°
72°
30
84°
70°
31
78°
63°
1
82°
63°
2
84°
65°
3
85°
67°
4
76°
65°
5
70°
63°
6
81°
65°
7
83°
62°
8
83°
69°
9
88°
69°
10
87°
69°
11
83°
64°
12
83°
61°
13
77°
59°
14
78°
60°
15
78°
60°
16
78°
59°
17
79°
60°
18
79°
60°
19
82°
59°
20
86°
65°
21
87°
66°
22
88°
65°
23
87°
64°
24
86°
64°
25
86°
63°
26
84°
62°
27
85°
62°
28
86°
61°
29
84°
62°
30
85°
63°
31
86°
62°
1
85°
63°
2
86°
63°
3
86°
62°
4
85°
62°
5
85°
61°
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 77° to 88°, with overnight lows between 59° and 69°. The average high for August is 84° with an average low of 63°. 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.
