S
M
T
W
T
F
S
26
68°
54°
27
67°
56°
28
68°
56°
29
72°
58°
30
77°
59°
31
76°
57°
1
74°
57°
2
72°
58°
3
71°
57°
4
73°
56°
5
77°
58°
6
71°
56°
7
68°
53°
8
71°
57°
9
76°
59°
10
74°
58°
11
71°
57°
12
72°
57°
13
74°
56°
14
66°
53°
15
66°
55°
16
72°
57°
17
72°
55°
18
72°
46°
19
68°
53°
20
70°
50°
21
74°
46°
22
72°
49°
23
73°
53°
24
73°
45°
25
66°
45°
26
65°
54°
27
72°
54°
28
70°
53°
29
74°
54°
30
75°
55°
31
75°
51°
1
74°
41°
2
63°
44°
3
65°
52°
4
68°
47°
5
72°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ste. Rose du Lac
Ste. Rose du Lac's August 2026 forecast shows daily high temperatures ranging from 63° to 77°, with overnight lows between 41° and 59°. The average high for August is 71° with an average low of 53°. 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 Ste. Rose du Lac. See also: September | October | November.