S
M
T
W
T
F
S
26
90°
72°
27
91°
73°
28
86°
68°
29
88°
64°
30
81°
61°
31
70°
61°
1
81°
61°
2
82°
59°
3
82°
59°
4
73°
52°
5
76°
51°
6
80°
58°
7
80°
61°
8
83°
63°
9
83°
67°
10
85°
65°
11
83°
63°
12
79°
62°
13
80°
62°
14
79°
59°
15
78°
59°
16
78°
61°
17
79°
59°
18
85°
65°
19
84°
63°
20
82°
63°
21
83°
64°
22
84°
64°
23
83°
63°
24
79°
63°
25
80°
61°
26
74°
61°
27
74°
60°
28
81°
61°
29
81°
61°
30
82°
62°
31
82°
61°
1
83°
62°
2
82°
62°
3
83°
61°
4
82°
61°
5
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lake Mills
Lake Mills's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 51° and 67°. The average high for August is 81° with an average low of 61°. 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 Lake Mills. See also: September | October | November.
