S
M
T
W
T
F
S
27
67°
48°
28
60°
52°
29
60°
45°
30
67°
45°
1
70°
57°
2
67°
48°
3
62°
35°
4
71°
34°
5
58°
42°
6
56°
38°
7
69°
38°
8
62°
44°
9
59°
34°
10
57°
41°
11
73°
51°
12
67°
55°
13
59°
37°
14
49°
37°
15
52°
39°
16
55°
40°
17
52°
40°
18
50°
37°
19
53°
37°
20
57°
42°
21
53°
37°
22
51°
39°
23
47°
33°
24
46°
33°
25
54°
42°
26
57°
33°
27
52°
29°
28
44°
31°
29
44°
32°
30
50°
39°
31
50°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Salaberry-de-Valleyfield
Salaberry-de-Valleyfield's October 2026 forecast shows daily high temperatures ranging from 44° to 73°, with overnight lows between 29° and 55°. The average high for October is 54° with an average low of 38°. 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 Salaberry-de-Valleyfield. See also: November | December | January.
