S
M
T
W
T
F
S
26
64°
52°
27
71°
46°
28
73°
42°
29
73°
53°
30
76°
55°
1
69°
43°
2
62°
50°
3
66°
44°
4
82°
44°
5
85°
56°
6
76°
63°
7
68°
47°
8
73°
46°
9
79°
50°
10
88°
57°
11
69°
40°
12
76°
38°
13
80°
46°
14
71°
51°
15
76°
46°
16
89°
55°
17
96°
65°
18
97°
66°
19
98°
67°
20
97°
68°
21
83°
58°
22
75°
60°
23
81°
63°
24
83°
65°
25
81°
62°
26
83°
65°
27
82°
62°
28
81°
62°
29
82°
60°
30
82°
60°
31
83°
59°
1
85°
64°
2
84°
64°
3
79°
63°
4
81°
63°
5
81°
60°
6
83°
64°
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 75° to 98°, with overnight lows between 58° and 68°. The average high for May is 84° with an average low of 63°. 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.
