S
M
T
W
T
F
S
27
68°
53°
28
60°
52°
29
63°
49°
30
67°
46°
1
74°
56°
2
65°
49°
3
61°
39°
4
67°
36°
5
59°
44°
6
58°
42°
7
62°
41°
8
62°
44°
9
57°
34°
10
56°
40°
11
65°
50°
12
64°
50°
13
57°
38°
14
53°
37°
15
54°
39°
16
60°
45°
17
54°
41°
18
50°
38°
19
52°
40°
20
54°
40°
21
55°
34°
22
51°
38°
23
46°
31°
24
46°
31°
25
53°
40°
26
55°
30°
27
51°
27°
28
43°
31°
29
44°
31°
30
49°
38°
31
49°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Mont-Saint-Hilaire
Mont-Saint-Hilaire's October 2026 forecast shows daily high temperatures ranging from 43° to 65°, with overnight lows between 27° and 50°. The average high for October is 53° with an average low of 37°. 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 Mont-Saint-Hilaire. See also: November | December | January.
