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
66°
37°
10
62°
45°
11
55°
43°
12
58°
40°
13
53°
42°
14
55°
46°
15
68°
50°
16
75°
50°
17
76°
53°
18
72°
50°
19
84°
58°
20
78°
48°
21
60°
41°
22
68°
46°
23
72°
53°
24
57°
51°
25
70°
56°
26
76°
59°
27
74°
47°
28
67°
47°
29
69°
48°
30
70°
51°
31
72°
52°
1
76°
55°
2
75°
58°
3
74°
57°
4
76°
61°
5
77°
57°
6
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vieux-Longueuil
Vieux-Longueuil's May 2026 forecast shows daily high temperatures ranging from 57° to 77°, with overnight lows between 46° and 61°. The average high for May is 72° with an average low of 53°. 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 Vieux-Longueuil. See also: June | July | August.
