S
M
T
W
T
F
S
26
79°
62°
27
79°
62°
28
78°
61°
29
77°
60°
30
71°
57°
31
70°
55°
1
70°
55°
2
71°
59°
3
73°
60°
4
77°
60°
5
75°
59°
6
73°
60°
7
73°
60°
8
72°
59°
9
71°
58°
10
73°
52°
11
76°
58°
12
77°
60°
13
78°
59°
14
79°
57°
15
74°
59°
16
76°
57°
17
79°
51°
18
72°
50°
19
68°
50°
20
68°
51°
21
69°
49°
22
69°
50°
23
73°
50°
24
74°
51°
25
75°
53°
26
76°
57°
27
76°
53°
28
71°
51°
29
68°
55°
30
72°
56°
31
73°
49°
1
74°
46°
2
68°
47°
3
67°
51°
4
71°
57°
5
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Owen Sound
Owen Sound's August 2026 forecast shows daily high temperatures ranging from 67° to 79°, with overnight lows between 46° and 62°. The average high for August is 73° 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 Owen Sound. See also: September | October | November.
