S
M
T
W
T
F
S
26
91°
71°
27
84°
70°
28
81°
58°
29
82°
55°
30
86°
54°
31
77°
60°
1
69°
62°
2
76°
57°
3
79°
54°
4
82°
60°
5
77°
60°
6
80°
63°
7
84°
67°
8
85°
64°
9
82°
61°
10
81°
63°
11
80°
60°
12
81°
62°
13
78°
61°
14
82°
59°
15
76°
56°
16
77°
63°
17
85°
64°
18
86°
65°
19
86°
63°
20
83°
63°
21
84°
62°
22
85°
64°
23
84°
63°
24
82°
63°
25
80°
62°
26
82°
61°
27
79°
59°
28
78°
61°
29
81°
60°
30
82°
61°
31
82°
61°
1
81°
60°
2
79°
60°
3
81°
59°
4
81°
60°
5
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Delavan Lake
Delavan Lake's August 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 54° 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 Delavan Lake. See also: September | October | November.
