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
78°
57°
3
79°
52°
4
83°
57°
5
75°
58°
6
80°
53°
7
82°
58°
8
73°
55°
9
75°
54°
10
78°
58°
11
80°
57°
12
78°
57°
13
75°
55°
14
74°
55°
15
76°
60°
16
72°
58°
17
75°
55°
18
75°
58°
19
76°
57°
20
73°
59°
21
71°
56°
22
70°
55°
23
74°
56°
24
73°
44°
25
75°
60°
26
78°
61°
27
78°
59°
28
74°
58°
29
69°
55°
30
67°
56°
31
68°
54°
1
69°
58°
2
70°
58°
3
75°
59°
4
76°
58°
5
73°
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 67° to 80°, with overnight lows between 44° and 61°. The average high for August is 74° 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.
