S
M
T
W
T
F
S
26
76°
59°
27
74°
59°
28
75°
58°
29
75°
58°
30
73°
56°
31
67°
54°
1
66°
52°
2
66°
53°
3
67°
52°
4
67°
57°
5
68°
58°
6
70°
58°
7
67°
57°
8
68°
55°
9
67°
55°
10
68°
51°
11
67°
48°
12
68°
51°
13
67°
59°
14
76°
50°
15
74°
53°
16
73°
59°
17
74°
56°
18
73°
57°
19
72°
53°
20
65°
48°
21
65°
48°
22
67°
49°
23
69°
52°
24
73°
54°
25
73°
52°
26
72°
55°
27
73°
55°
28
73°
54°
29
72°
53°
30
72°
54°
31
73°
50°
1
71°
44°
2
63°
47°
3
62°
54°
4
67°
53°
5
69°
47°
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 76°, with overnight lows between 44° and 59°. The average high for August is 70° with an average low of 54°. 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.
