S
M
T
W
T
F
S
26
67°
39°
27
74°
41°
28
75°
48°
29
66°
53°
30
53°
39°
1
56°
36°
2
49°
38°
3
55°
36°
4
65°
43°
5
72°
49°
6
49°
43°
7
55°
44°
8
55°
40°
9
64°
51°
10
62°
44°
11
53°
39°
12
56°
40°
13
58°
42°
14
58°
47°
15
65°
49°
16
68°
50°
17
67°
52°
18
72°
51°
19
67°
50°
20
69°
52°
21
73°
53°
22
71°
46°
23
73°
52°
24
72°
51°
25
70°
52°
26
73°
53°
27
73°
53°
28
72°
55°
29
75°
55°
30
75°
54°
31
74°
54°
1
70°
50°
2
65°
48°
3
69°
51°
4
71°
55°
5
69°
55°
6
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Montréal-Est
Montréal-Est's May 2026 forecast shows daily high temperatures ranging from 53° to 75°, with overnight lows between 39° and 55°. The average high for May is 68° with an average low of 50°. 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 Montréal-Est. See also: June | July | August.
