S
M
T
W
T
F
S
27
68°
56°
28
61°
53°
29
62°
51°
30
65°
48°
1
70°
58°
2
65°
50°
3
61°
41°
4
68°
43°
5
58°
42°
6
57°
39°
7
63°
43°
8
64°
49°
9
57°
44°
10
55°
37°
11
65°
52°
12
63°
42°
13
49°
44°
14
55°
43°
15
55°
42°
16
51°
40°
17
49°
34°
18
47°
37°
19
56°
47°
20
59°
46°
21
57°
45°
22
52°
43°
23
56°
44°
24
54°
36°
25
53°
42°
26
57°
34°
27
51°
30°
28
43°
32°
29
43°
33°
30
49°
40°
31
49°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Montréal-Ouest
Montréal-Ouest's October 2026 forecast shows daily high temperatures ranging from 43° to 65°, with overnight lows between 30° and 52°. The average high for October is 53° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Montréal-Ouest. See also: November | December | January.
