S
M
T
W
T
F
S
26
34°
23°
27
45°
30°
28
51°
34°
29
54°
36°
30
60°
37°
1
57°
36°
2
58°
35°
3
53°
37°
4
61°
36°
5
58°
40°
6
58°
39°
7
60°
41°
8
64°
41°
9
64°
42°
10
57°
42°
11
58°
39°
12
61°
42°
13
60°
42°
14
57°
42°
15
58°
42°
16
57°
43°
17
59°
35°
18
59°
38°
19
67°
44°
20
68°
44°
21
68°
46°
22
67°
38°
23
58°
37°
24
56°
35°
25
58°
37°
26
59°
36°
27
61°
42°
28
66°
43°
29
65°
45°
30
63°
45°
31
64°
44°
1
66°
42°
2
71°
46°
3
72°
40°
4
66°
41°
5
65°
47°
6
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Calgary / Okotoks Air Park
Calgary / Okotoks Air Park's May 2026 forecast shows daily high temperatures ranging from 34° to 72°, with overnight lows between 23° and 48°. The average high for May is 60° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Calgary / Okotoks Air Park. See also: June | July | August.
