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
81°
55°
8
79°
66°
9
77°
54°
10
76°
60°
11
78°
54°
12
78°
57°
13
78°
55°
14
78°
57°
15
79°
63°
16
73°
61°
17
73°
54°
18
78°
61°
19
73°
55°
20
72°
55°
21
73°
54°
22
74°
56°
23
72°
58°
24
74°
56°
25
70°
56°
26
72°
57°
27
71°
59°
28
67°
56°
29
71°
58°
30
73°
59°
31
75°
58°
1
75°
59°
2
74°
58°
3
74°
58°
4
72°
57°
5
72°
57°
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 54° and 63°. The average high for August is 73° with an average low of 57°. 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.
