S
M
T
W
T
F
S
26
80°
57°
27
78°
52°
28
79°
55°
29
79°
55°
30
80°
48°
31
78°
50°
1
77°
49°
2
75°
54°
3
78°
55°
4
81°
58°
5
80°
57°
6
81°
55°
7
81°
52°
8
80°
53°
9
79°
48°
10
79°
48°
11
72°
49°
12
72°
48°
13
78°
53°
14
79°
52°
15
79°
48°
16
78°
52°
17
79°
47°
18
78°
47°
19
76°
48°
20
74°
48°
21
71°
45°
22
70°
46°
23
71°
45°
24
70°
46°
25
71°
47°
26
70°
48°
27
69°
50°
28
68°
46°
29
69°
45°
30
70°
52°
31
69°
52°
1
69°
53°
2
72°
53°
3
77°
48°
4
77°
53°
5
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cowichan Bay
Cowichan Bay's August 2026 forecast shows daily high temperatures ranging from 68° to 81°, with overnight lows between 45° and 58°. The average high for August is 75° with an average low of 50°. 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 Cowichan Bay. See also: September | October | November.
