S
M
T
W
T
F
S
26
79°
59°
27
84°
59°
28
71°
65°
29
76°
54°
30
78°
49°
31
83°
56°
1
80°
65°
2
70°
64°
3
76°
58°
4
81°
53°
5
83°
62°
6
76°
57°
7
77°
66°
8
77°
57°
9
79°
59°
10
76°
61°
11
75°
56°
12
74°
59°
13
73°
58°
14
70°
57°
15
71°
55°
16
71°
58°
17
74°
57°
18
70°
56°
19
73°
62°
20
73°
58°
21
69°
58°
22
74°
60°
23
76°
60°
24
73°
59°
25
74°
60°
26
75°
60°
27
75°
59°
28
72°
58°
29
72°
59°
30
73°
58°
31
75°
58°
1
71°
57°
2
66°
57°
3
68°
56°
4
70°
57°
5
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in South Bruce Peninsula
South Bruce Peninsula's August 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 55° and 66°. The average high for August is 73° with an average low of 58°. 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 South Bruce Peninsula. See also: September | October | November.