S
M
T
W
T
F
S
28
79°
59°
29
81°
54°
30
80°
57°
1
79°
53°
2
74°
55°
3
74°
60°
4
79°
54°
5
75°
54°
6
75°
57°
7
76°
53°
8
74°
55°
9
75°
58°
10
74°
57°
11
75°
60°
12
81°
63°
13
82°
64°
14
81°
63°
15
76°
60°
16
75°
56°
17
75°
60°
18
76°
60°
19
76°
56°
20
77°
59°
21
78°
56°
22
79°
56°
23
82°
59°
24
83°
60°
25
81°
60°
26
82°
58°
27
83°
64°
28
83°
61°
29
75°
59°
30
77°
56°
31
76°
59°
1
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Laval
Laval's July 2026 forecast shows daily high temperatures ranging from 74° to 83°, with overnight lows between 53° and 64°. The average high for July is 78° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Laval. See also: August | September | October.