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°
34°
5
77°
41°
6
69°
39°
7
59°
38°
8
61°
42°
9
60°
34°
10
42°
26°
11
40°
25°
12
47°
35°
13
54°
38°
14
54°
35°
15
53°
39°
16
55°
39°
17
52°
38°
18
59°
39°
19
59°
35°
20
59°
34°
21
58°
34°
22
57°
32°
23
51°
33°
24
56°
34°
25
55°
32°
26
52°
32°
27
49°
27°
28
40°
24°
29
38°
24°
30
37°
19°
31
37°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Calgary International Airport
Calgary International Airport's October 2026 forecast shows daily high temperatures ranging from 37° to 77°, with overnight lows between 16° and 42°. The average high for October is 53° with an average low of 33°. 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 International Airport. See also: November | December | January.
