S
M
T
W
T
F
S
26
52°
32°
27
55°
32°
28
56°
32°
29
53°
34°
30
49°
32°
1
51°
30°
2
51°
29°
3
52°
29°
4
51°
30°
5
52°
35°
6
52°
31°
7
55°
36°
8
53°
32°
9
58°
36°
10
58°
35°
11
62°
39°
12
62°
41°
13
56°
38°
14
59°
37°
15
63°
38°
16
55°
36°
17
53°
35°
18
55°
34°
19
55°
34°
20
53°
33°
21
53°
32°
22
56°
34°
23
56°
38°
24
57°
42°
25
56°
37°
26
57°
37°
27
58°
40°
28
58°
35°
29
64°
46°
30
68°
45°
31
68°
41°
1
62°
42°
2
65°
39°
3
66°
40°
4
64°
41°
5
62°
40°
6
63°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Calgary
South Calgary's May 2026 forecast shows daily high temperatures ranging from 49° to 68°, with overnight lows between 29° and 46°. The average high for May is 57° 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 May weather will actually feel in South Calgary. See also: June | July | August.
