S
M
T
W
T
F
S
27
58°
28°
28
67°
32°
29
66°
46°
30
58°
39°
1
57°
30°
2
66°
41°
3
64°
34°
4
68°
32°
5
75°
49°
6
72°
42°
7
61°
34°
8
61°
38°
9
69°
39°
10
43°
31°
11
33°
30°
12
45°
27°
13
52°
30°
14
67°
38°
15
53°
29°
16
70°
33°
17
70°
36°
18
54°
32°
19
53°
32°
20
55°
26°
21
66°
31°
22
63°
38°
23
46°
31°
24
35°
29°
25
34°
27°
26
37°
25°
27
40°
28°
28
31°
20°
29
30°
21°
30
33°
21°
31
43°
24°
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 30° to 43°, with overnight lows between 20° and 28°. The average high for October is 35° with an average low of 23°. 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.
