S
M
T
W
T
F
S
26
77°
64°
27
78°
64°
28
76°
61°
29
76°
55°
30
80°
62°
31
76°
68°
1
78°
65°
2
75°
59°
3
75°
55°
4
82°
63°
5
72°
57°
6
75°
55°
7
78°
63°
8
75°
59°
9
75°
60°
10
76°
63°
11
77°
60°
12
77°
59°
13
78°
56°
14
77°
56°
15
74°
56°
16
72°
60°
17
74°
57°
18
75°
55°
19
73°
50°
20
74°
52°
21
71°
65°
22
75°
61°
23
64°
57°
24
72°
55°
25
73°
51°
26
72°
61°
27
71°
55°
28
70°
51°
29
71°
60°
30
65°
60°
31
66°
59°
1
76°
63°
2
75°
59°
3
76°
58°
4
66°
58°
5
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. Ignace
St. Ignace's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 St. Ignace. See also: September | October | November.
