S
M
T
W
T
F
S
26
86°
65°
27
86°
65°
28
85°
64°
29
86°
63°
30
83°
58°
31
78°
56°
1
78°
62°
2
79°
62°
3
81°
61°
4
84°
63°
5
83°
63°
6
83°
62°
7
80°
62°
8
78°
60°
9
77°
59°
10
79°
56°
11
83°
60°
12
83°
62°
13
85°
63°
14
86°
60°
15
84°
64°
16
85°
61°
17
85°
54°
18
78°
53°
19
75°
52°
20
75°
52°
21
76°
53°
22
77°
52°
23
77°
53°
24
78°
53°
25
80°
54°
26
83°
59°
27
82°
52°
28
76°
51°
29
74°
52°
30
76°
55°
31
77°
52°
1
79°
51°
2
75°
50°
3
74°
53°
4
77°
59°
5
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Manitou Beach-Devils Lake
Manitou Beach-Devils Lake's August 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 50° and 65°. The average high for August is 80° with an average low of 58°. 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 Manitou Beach-Devils Lake. See also: September | October | November.
