S
M
T
W
T
F
S
26
84°
67°
27
85°
67°
28
82°
66°
29
85°
67°
30
84°
66°
31
82°
65°
1
77°
63°
2
77°
63°
3
78°
66°
4
79°
66°
5
81°
65°
6
82°
66°
7
84°
66°
8
82°
65°
9
84°
66°
10
83°
65°
11
83°
65°
12
84°
66°
13
83°
65°
14
86°
57°
15
83°
58°
16
80°
61°
17
79°
60°
18
83°
60°
19
84°
57°
20
77°
55°
21
75°
56°
22
75°
57°
23
76°
56°
24
76°
56°
25
77°
61°
26
75°
60°
27
82°
56°
28
82°
55°
29
74°
55°
30
73°
56°
31
73°
55°
1
74°
54°
2
71°
53°
3
73°
54°
4
73°
54°
5
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mequon
Mequon's August 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 53° and 67°. The average high for August is 79° 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 Mequon. See also: September | October | November.
