S
M
T
W
T
F
S
26
85°
62°
27
88°
66°
28
73°
64°
29
69°
62°
30
69°
62°
31
73°
62°
1
83°
64°
2
85°
68°
3
74°
60°
4
83°
60°
5
86°
64°
6
89°
64°
7
88°
73°
8
88°
70°
9
82°
66°
10
80°
64°
11
80°
60°
12
77°
57°
13
75°
54°
14
74°
53°
15
77°
54°
16
76°
56°
17
77°
55°
18
78°
58°
19
76°
57°
20
73°
54°
21
75°
56°
22
75°
53°
23
72°
53°
24
73°
54°
25
70°
52°
26
77°
57°
27
76°
57°
28
67°
49°
29
69°
56°
30
71°
53°
31
71°
52°
1
74°
56°
2
75°
55°
3
72°
55°
4
74°
54°
5
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Quebec
Quebec's August 2026 forecast shows daily high temperatures ranging from 67° to 78°, with overnight lows between 49° and 58°. The average high for August is 74° 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 Quebec. See also: September | October | November.
