S
M
T
W
T
F
S
26
67°
55°
27
67°
56°
28
68°
55°
29
69°
57°
30
67°
54°
31
66°
52°
1
66°
50°
2
67°
56°
3
70°
58°
4
68°
55°
5
66°
52°
6
66°
54°
7
68°
53°
8
68°
58°
9
75°
57°
10
72°
51°
11
67°
50°
12
66°
51°
13
67°
50°
14
66°
48°
15
67°
52°
16
70°
54°
17
70°
48°
18
67°
48°
19
70°
55°
20
72°
55°
21
73°
56°
22
73°
56°
23
74°
55°
24
72°
52°
25
72°
48°
26
64°
46°
27
62°
45°
28
64°
45°
29
69°
47°
30
70°
51°
31
68°
53°
1
67°
52°
2
66°
46°
3
62°
46°
4
68°
51°
5
69°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rimouski
Rimouski's August 2026 forecast shows daily high temperatures ranging from 62° to 75°, with overnight lows between 45° and 58°. The average high for August is 68° with an average low of 52°. 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 Rimouski. See also: September | October | November.
