S
M
T
W
T
F
S
26
66°
42°
27
74°
42°
28
75°
51°
29
63°
54°
30
54°
40°
1
55°
37°
2
50°
40°
3
55°
43°
4
61°
54°
5
68°
47°
6
51°
43°
7
56°
43°
8
53°
39°
9
54°
43°
10
58°
42°
11
60°
43°
12
59°
46°
13
60°
45°
14
62°
48°
15
63°
47°
16
62°
58°
17
68°
51°
18
68°
50°
19
64°
47°
20
68°
52°
21
70°
51°
22
69°
53°
23
62°
44°
24
61°
45°
25
61°
44°
26
62°
48°
27
64°
47°
28
62°
45°
29
62°
45°
30
64°
49°
31
65°
53°
1
65°
48°
2
66°
47°
3
68°
55°
4
69°
51°
5
67°
54°
6
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Laval
Laval's May 2026 forecast shows daily high temperatures ranging from 51° to 75°, with overnight lows between 39° and 58°. The average high for May is 63° with an average low of 48°. 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 Laval. See also: June | July | August.
