S
M
T
W
T
F
S
26
76°
61°
27
74°
56°
28
74°
56°
29
78°
55°
30
76°
53°
31
77°
52°
1
72°
51°
2
71°
52°
3
72°
53°
4
73°
52°
5
74°
53°
6
76°
56°
7
77°
57°
8
78°
60°
9
79°
53°
10
74°
57°
11
77°
58°
12
77°
60°
13
76°
53°
14
78°
50°
15
71°
56°
16
74°
53°
17
73°
51°
18
72°
50°
19
74°
54°
20
72°
52°
21
73°
53°
22
72°
56°
23
73°
56°
24
76°
50°
25
74°
50°
26
71°
57°
27
75°
53°
28
74°
53°
29
70°
49°
30
70°
50°
31
71°
49°
1
69°
50°
2
70°
53°
3
73°
50°
4
74°
49°
5
70°
56°
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 69° to 79°, with overnight lows between 49° and 61°. The average high for August is 74° with an average low of 54°. 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.
