S
M
T
W
T
F
S
26
86°
64°
27
86°
72°
28
86°
72°
29
75°
61°
30
64°
59°
1
59°
54°
2
73°
50°
3
79°
46°
4
79°
54°
5
82°
64°
6
79°
54°
7
70°
52°
8
79°
57°
9
77°
63°
10
82°
64°
11
77°
61°
12
81°
52°
13
86°
54°
14
86°
63°
15
88°
64°
16
86°
70°
17
88°
70°
18
86°
77°
19
88°
64°
20
77°
64°
21
79°
68°
22
84°
66°
23
82°
68°
24
78°
67°
25
76°
68°
26
81°
69°
27
81°
67°
28
84°
67°
29
82°
63°
30
83°
66°
31
82°
62°
1
81°
62°
2
81°
61°
3
80°
60°
4
82°
63°
5
88°
66°
6
85°
69°
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 76° to 88°, with overnight lows between 60° and 69°. The average high for May is 82° 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.
