S
M
T
W
T
F
S
26
76°
58°
27
77°
65°
28
72°
59°
29
72°
59°
30
73°
58°
31
72°
57°
1
73°
61°
2
77°
62°
3
77°
61°
4
75°
58°
5
71°
56°
6
73°
61°
7
77°
60°
8
73°
59°
9
72°
60°
10
72°
56°
11
71°
60°
12
75°
61°
13
78°
59°
14
71°
56°
15
71°
56°
16
72°
61°
17
75°
60°
18
77°
60°
19
78°
59°
20
76°
57°
21
71°
54°
22
69°
53°
23
71°
58°
24
72°
57°
25
76°
53°
26
73°
48°
27
70°
50°
28
67°
47°
29
69°
51°
30
68°
57°
31
71°
57°
1
76°
58°
2
72°
56°
3
76°
54°
4
70°
49°
5
73°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sault Ste. Marie
Sault Ste. Marie's August 2026 forecast shows daily high temperatures ranging from 67° to 78°, with overnight lows between 47° and 65°. 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 Sault Ste. Marie. See also: September | October | November.
