S
M
T
W
T
F
S
26
79°
66°
27
78°
65°
28
79°
66°
29
78°
66°
30
79°
65°
31
75°
65°
1
73°
63°
2
73°
64°
3
74°
65°
4
75°
65°
5
76°
64°
6
78°
65°
7
79°
66°
8
79°
66°
9
78°
65°
10
79°
65°
11
79°
66°
12
80°
65°
13
79°
66°
14
81°
57°
15
78°
57°
16
74°
61°
17
76°
57°
18
79°
59°
19
80°
57°
20
72°
54°
21
71°
56°
22
72°
57°
23
70°
56°
24
72°
56°
25
72°
63°
26
70°
63°
27
78°
55°
28
78°
55°
29
70°
56°
30
68°
54°
31
70°
54°
1
69°
53°
2
67°
53°
3
70°
54°
4
69°
53°
5
69°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kewaunee
Kewaunee's August 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 53° and 66°. The average high for August is 75° with an average low of 60°. 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 Kewaunee. See also: September | October | November.
