S
M
T
W
T
F
S
26
78°
58°
27
75°
59°
28
80°
59°
29
81°
60°
30
80°
59°
31
79°
58°
1
79°
56°
2
77°
58°
3
80°
53°
4
80°
59°
5
79°
59°
6
79°
56°
7
81°
52°
8
74°
52°
9
74°
55°
10
78°
55°
11
74°
52°
12
72°
52°
13
73°
53°
14
78°
54°
15
78°
56°
16
72°
57°
17
71°
53°
18
73°
54°
19
78°
49°
20
71°
52°
21
72°
53°
22
74°
50°
23
75°
50°
24
Hist. Avg.
73°
52°
25
Hist. Avg.
73°
52°
26
Hist. Avg.
72°
51°
27
Hist. Avg.
72°
51°
28
Hist. Avg.
72°
51°
29
Hist. Avg.
71°
50°
30
Hist. Avg.
71°
50°
31
Hist. Avg.
71°
50°
1
Hist. Avg.
70°
49°
2
Hist. Avg.
70°
49°
3
Hist. Avg.
70°
49°
4
Hist. Avg.
69°
48°
5
Hist. Avg.
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Cape Breton
Cape Breton's August 2026 forecast shows daily high temperatures ranging from 71° to 81°, with overnight lows between 49° and 60°. The average high for August is 76° with an average low of 55°. 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 Cape Breton. See also: September | October | November.
