S
M
T
W
T
F
S
26
62°
30°
27
61°
39°
28
52°
37°
29
45°
31°
30
43°
30°
1
41°
31°
2
47°
30°
3
52°
35°
4
61°
36°
5
44°
33°
6
46°
32°
7
46°
34°
8
49°
35°
9
48°
34°
10
51°
36°
11
55°
39°
12
53°
40°
13
59°
41°
14
58°
42°
15
57°
40°
16
56°
48°
17
59°
43°
18
57°
41°
19
60°
47°
20
60°
47°
21
61°
40°
22
57°
37°
23
58°
39°
24
58°
38°
25
57°
38°
26
58°
39°
27
58°
39°
28
58°
40°
29
60°
43°
30
62°
45°
31
61°
43°
1
63°
44°
2
64°
50°
3
67°
50°
4
64°
49°
5
65°
52°
6
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sault Ste. Marie
Sault Ste. Marie's May 2026 forecast shows daily high temperatures ranging from 44° to 71°, with overnight lows between 32° and 53°. 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 Sault Ste. Marie. See also: June | July | August.
