S
M
T
W
T
F
S
26
85°
76°
27
84°
75°
28
84°
75°
29
86°
74°
30
86°
72°
31
85°
78°
1
85°
74°
2
85°
74°
3
84°
76°
4
82°
73°
5
84°
77°
6
85°
74°
7
85°
72°
8
86°
75°
9
86°
76°
10
85°
76°
11
86°
76°
12
86°
77°
13
87°
78°
14
86°
78°
15
85°
78°
16
85°
77°
17
85°
77°
18
86°
76°
19
85°
76°
20
86°
75°
21
85°
78°
22
86°
77°
23
85°
76°
24
86°
77°
25
85°
75°
26
84°
77°
27
83°
77°
28
83°
77°
29
83°
77°
30
84°
76°
31
82°
75°
1
82°
77°
2
84°
77°
3
82°
76°
4
83°
77°
5
84°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kauai Museum
Kauai Museum's August 2026 forecast shows daily high temperatures ranging from 82° to 87°, with overnight lows between 75° and 78°. The average high for August is 84° with an average low of 77°. 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 Kauai Museum. See also: September | October | November.
