S
M
T
W
T
F
S
27
72°
53°
28
67°
58°
29
71°
57°
30
70°
62°
1
72°
48°
2
64°
48°
3
62°
49°
4
60°
50°
5
56°
43°
6
56°
45°
7
59°
47°
8
58°
46°
9
59°
47°
10
61°
42°
11
56°
47°
12
63°
42°
13
52°
39°
14
50°
42°
15
54°
46°
16
60°
46°
17
59°
45°
18
60°
45°
19
60°
42°
20
55°
44°
21
59°
37°
22
47°
35°
23
47°
41°
24
57°
44°
25
58°
41°
26
58°
35°
27
45°
32°
28
46°
39°
29
54°
44°
30
56°
44°
31
56°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Penetanguishene
Penetanguishene's October 2026 forecast shows daily high temperatures ranging from 45° to 72°, with overnight lows between 32° and 62°. The average high for October is 58° 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 Penetanguishene. See also: November | December | January.
