S
M
T
W
T
F
S
27
68°
41°
28
68°
44°
29
69°
46°
30
68°
40°
1
64°
38°
2
62°
42°
3
66°
42°
4
67°
34°
5
67°
37°
6
59°
38°
7
55°
36°
8
53°
35°
9
58°
35°
10
54°
34°
11
54°
34°
12
55°
35°
13
56°
39°
14
57°
38°
15
51°
37°
16
49°
36°
17
49°
34°
18
48°
31°
19
46°
30°
20
45°
28°
21
46°
32°
22
45°
33°
23
46°
31°
24
47°
30°
25
45°
31°
26
48°
35°
27
45°
29°
28
47°
41°
29
47°
33°
30
50°
36°
31
Hist. Avg.
49°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Castlegar
Castlegar's October 2026 forecast shows daily high temperatures ranging from 45° to 69°, with overnight lows between 28° and 46°. The average high for October is 55° with an average low of 36°. 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 Castlegar. See also: November | December | January.
