S
M
T
W
T
F
S
27
70°
54°
28
65°
58°
29
69°
61°
30
71°
65°
1
70°
64°
2
69°
55°
3
64°
50°
4
65°
55°
5
63°
50°
6
61°
46°
7
67°
60°
8
64°
49°
9
65°
50°
10
71°
59°
11
63°
58°
12
67°
61°
13
65°
48°
14
55°
46°
15
57°
47°
16
58°
46°
17
55°
44°
18
54°
42°
19
54°
41°
20
57°
42°
21
56°
43°
22
52°
42°
23
51°
40°
24
50°
44°
25
56°
46°
26
58°
43°
27
55°
37°
28
48°
35°
29
47°
40°
30
50°
44°
31
55°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Port Colborne
Port Colborne's October 2026 forecast shows daily high temperatures ranging from 47° to 71°, with overnight lows between 35° and 61°. The average high for October is 57° with an average low of 45°. 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 Port Colborne. See also: November | December | January.
