S
M
T
W
T
F
S
26
48°
39°
27
46°
39°
28
50°
34°
29
57°
30°
30
52°
28°
1
54°
28°
2
70°
34°
3
70°
41°
4
61°
36°
5
48°
32°
6
45°
28°
7
61°
28°
8
73°
37°
9
59°
41°
10
59°
37°
11
73°
32°
12
72°
46°
13
75°
39°
14
79°
52°
15
84°
46°
16
75°
45°
17
73°
50°
18
55°
45°
19
48°
39°
20
63°
34°
21
70°
41°
22
54°
48°
23
64°
50°
24
84°
48°
25
93°
55°
26
90°
61°
27
93°
64°
28
93°
63°
29
90°
63°
30
84°
68°
31
70°
55°
1
77°
63°
2
86°
63°
3
82°
63°
4
79°
63°
5
81°
63°
6
86°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alberta
Alberta's May 2026 forecast shows daily high temperatures ranging from 86° to 86°, with overnight lows between 65° and 65°. The average high for May is 86° with an average low of 65°. 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 Alberta. See also: June | July | August.
