S
M
T
W
T
F
S
26
80°
60°
27
78°
59°
28
76°
59°
29
78°
58°
30
77°
55°
31
76°
58°
1
79°
59°
2
78°
58°
3
75°
58°
4
79°
59°
5
73°
56°
6
75°
58°
7
79°
54°
8
74°
52°
9
71°
51°
10
71°
51°
11
72°
52°
12
72°
51°
13
73°
55°
14
73°
60°
15
80°
58°
16
72°
56°
17
72°
52°
18
71°
51°
19
74°
56°
20
73°
58°
21
74°
51°
22
75°
48°
23
73°
47°
24
70°
47°
25
71°
48°
26
75°
50°
27
76°
47°
28
75°
52°
29
77°
55°
30
77°
55°
31
76°
54°
1
76°
54°
2
75°
51°
3
72°
47°
4
67°
44°
5
66°
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 66° to 80°, with overnight lows between 44° and 60°. 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.
