S
M
T
W
T
F
S
26
60°
33°
27
70°
36°
28
63°
44°
29
47°
40°
30
48°
37°
1
42°
34°
2
43°
32°
3
53°
29°
4
71°
45°
5
55°
41°
6
45°
32°
7
47°
32°
8
51°
37°
9
57°
38°
10
51°
36°
11
46°
33°
12
48°
37°
13
53°
39°
14
56°
42°
15
60°
42°
16
56°
42°
17
58°
41°
18
59°
42°
19
61°
37°
20
54°
37°
21
55°
38°
22
55°
38°
23
57°
39°
24
58°
40°
25
59°
44°
26
60°
42°
27
57°
41°
28
61°
43°
29
60°
44°
30
63°
46°
31
66°
48°
1
66°
46°
2
61°
46°
3
65°
49°
4
70°
50°
5
70°
51°
6
66°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Owen Sound
Owen Sound's May 2026 forecast shows daily high temperatures ranging from 45° to 70°, with overnight lows between 32° and 51°. The average high for May is 58° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Owen Sound. See also: June | July | August.
