S
M
T
W
T
F
S
27
59°
53°
28
59°
54°
29
60°
54°
30
58°
54°
1
58°
54°
2
60°
54°
3
59°
56°
4
62°
54°
5
56°
53°
6
60°
52°
7
62°
57°
8
60°
54°
9
61°
55°
10
56°
51°
11
56°
53°
12
55°
49°
13
54°
53°
14
55°
15°
15
63°
41°
16
68°
47°
17
61°
44°
18
57°
42°
19
55°
45°
20
56°
44°
21
57°
46°
22
59°
45°
23
56°
43°
24
55°
47°
25
56°
46°
26
57°
45°
27
54°
48°
28
56°
40°
29
57°
44°
30
54°
45°
31
56°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Nanaimo
Nanaimo's October 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 40° and 48°. The average high for October is 57° with an average low of 44°. 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 Nanaimo. See also: November | December | January.