S
M
T
W
T
F
S
26
78°
63°
27
82°
60°
28
76°
58°
29
80°
55°
30
87°
57°
31
84°
66°
1
77°
64°
2
80°
55°
3
80°
58°
4
82°
62°
5
73°
54°
6
78°
59°
7
81°
60°
8
80°
59°
9
75°
57°
10
73°
58°
11
72°
56°
12
73°
56°
13
75°
57°
14
75°
56°
15
74°
66°
16
71°
60°
17
74°
61°
18
74°
61°
19
76°
60°
20
74°
60°
21
72°
61°
22
78°
61°
23
76°
60°
24
74°
60°
25
75°
59°
26
76°
61°
27
76°
60°
28
70°
60°
29
71°
59°
30
77°
60°
31
78°
59°
1
71°
58°
2
68°
58°
3
71°
57°
4
74°
59°
5
76°
59°
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 68° to 82°, with overnight lows between 54° and 66°. The average high for August is 75° with an average low of 59°. 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.
