S
M
T
W
T
F
S
27
60°
38°
28
59°
39°
29
58°
37°
30
58°
37°
1
59°
44°
2
59°
43°
3
58°
36°
4
56°
35°
5
55°
35°
6
54°
34°
7
54°
33°
8
53°
32°
9
53°
32°
10
54°
33°
11
53°
33°
12
53°
32°
13
54°
32°
14
55°
32°
15
56°
33°
16
56°
32°
17
58°
34°
18
59°
34°
19
58°
36°
20
58°
40°
21
51°
38°
22
50°
34°
23
51°
35°
24
48°
34°
25
48°
40°
26
50°
36°
27
49°
38°
28
47°
37°
29
50°
35°
30
47°
36°
31
49°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Penticton
Penticton's October 2026 forecast shows daily high temperatures ranging from 47° to 60°, with overnight lows between 29° and 44°. The average high for October is 54° with an average low of 35°. 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 Penticton. See also: November | December | January.