S
M
T
W
T
F
S
26
34°
21°
27
38°
18°
28
46°
20°
29
54°
19°
30
59°
21°
1
72°
30°
2
66°
38°
3
74°
32°
4
43°
32°
5
47°
20°
6
52°
17°
7
62°
19°
8
70°
28°
9
59°
23°
10
69°
29°
11
78°
59°
12
74°
34°
13
83°
41°
14
68°
50°
15
51°
30°
16
62°
27°
17
49°
33°
18
47°
31°
19
59°
28°
20
65°
41°
21
63°
42°
22
62°
39°
23
70°
34°
24
84°
48°
25
87°
54°
26
87°
56°
27
89°
62°
28
91°
63°
29
89°
64°
30
87°
59°
31
81°
54°
1
79°
51°
2
77°
50°
3
78°
53°
4
77°
53°
5
79°
52°
6
77°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Royal
Mount Royal's May 2026 forecast shows daily high temperatures ranging from 77° to 91°, with overnight lows between 50° and 64°. The average high for May is 83° with an average low of 56°. 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 Mount Royal. See also: June | July | August.
