S
M
T
W
T
F
S
27
60°
40°
28
54°
38°
29
56°
37°
30
54°
36°
1
57°
40°
2
53°
32°
3
52°
29°
4
48°
28°
5
46°
28°
6
47°
27°
7
47°
26°
8
46°
25°
9
46°
25°
10
47°
24°
11
47°
24°
12
46°
23°
13
47°
24°
14
48°
25°
15
46°
24°
16
45°
23°
17
45°
23°
18
46°
26°
19
45°
25°
20
49°
32°
21
55°
34°
22
48°
33°
23
52°
24°
24
50°
22°
25
43°
28°
26
46°
26°
27
50°
26°
28
44°
25°
29
47°
23°
30
43°
27°
31
45°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Calgary
Calgary's October 2026 forecast shows daily high temperatures ranging from 43° to 60°, with overnight lows between 19° and 40°. The average high for October is 49° with an average low of 28°. 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 Calgary. See also: November | December | January.
