S
M
T
W
T
F
S
26
80°
63°
27
82°
63°
28
82°
64°
29
81°
64°
30
79°
62°
31
74°
62°
1
74°
61°
2
73°
62°
3
73°
62°
4
74°
61°
5
74°
61°
6
73°
62°
7
73°
61°
8
76°
62°
9
77°
62°
10
76°
61°
11
75°
62°
12
74°
61°
13
77°
62°
14
78°
61°
15
72°
61°
16
71°
60°
17
73°
60°
18
72°
59°
19
74°
60°
20
72°
59°
21
72°
54°
22
72°
52°
23
71°
50°
24
70°
56°
25
71°
56°
26
74°
50°
27
70°
49°
28
70°
55°
29
68°
55°
30
77°
49°
31
69°
49°
1
71°
56°
2
74°
57°
3
68°
49°
4
68°
55°
5
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Montreal / Point Zero
Montreal / Point Zero's August 2026 forecast shows daily high temperatures ranging from 68° to 82°, with overnight lows between 48° and 64°. The average high for August is 74° with an average low of 58°. 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 Montreal / Point Zero. See also: September | October | November.
