S
M
T
W
T
F
S
26
30°
19°
27
45°
19°
28
52°
23°
29
63°
30°
30
73°
39°
1
66°
43°
2
72°
34°
3
64°
41°
4
54°
32°
5
52°
23°
6
66°
34°
7
70°
43°
8
64°
37°
9
66°
45°
10
72°
48°
11
66°
48°
12
70°
46°
13
68°
43°
14
61°
45°
15
59°
34°
16
48°
28°
17
54°
27°
18
61°
27°
19
64°
34°
20
55°
36°
21
68°
34°
22
69°
44°
23
77°
48°
24
65°
46°
25
77°
51°
26
69°
48°
27
65°
50°
28
70°
45°
29
70°
50°
30
69°
47°
31
67°
46°
1
67°
46°
2
66°
47°
3
69°
49°
4
67°
46°
5
62°
50°
6
62°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Edmonton / St. Albert
Edmonton / St. Albert's May 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 44° and 51°. The average high for May is 68° with an average low of 48°. 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 Edmonton / St. Albert. See also: June | July | August.