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
55°
29°
4
63°
35°
5
44°
30°
6
41°
29°
7
45°
30°
8
55°
31°
9
56°
37°
10
47°
33°
11
48°
31°
12
49°
29°
13
48°
39°
14
61°
34°
15
69°
51°
16
67°
39°
17
64°
50°
18
73°
58°
19
68°
36°
20
45°
35°
21
54°
39°
22
57°
41°
23
60°
43°
24
61°
47°
25
65°
49°
26
66°
48°
27
68°
48°
28
67°
53°
29
62°
50°
30
63°
47°
31
61°
43°
1
60°
42°
2
61°
44°
3
63°
48°
4
64°
51°
5
66°
53°
6
73°
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 45° to 73°, with overnight lows between 35° and 58°. The average high for May is 63° with an average low of 46°. 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.
