S
M
T
W
T
F
S
26
80°
64°
27
82°
62°
28
79°
60°
29
75°
60°
30
81°
63°
31
75°
58°
1
81°
56°
2
75°
56°
3
73°
54°
4
73°
55°
5
75°
55°
6
74°
56°
7
76°
55°
8
78°
56°
9
80°
63°
10
80°
62°
11
77°
63°
12
81°
63°
13
81°
62°
14
80°
58°
15
77°
53°
16
73°
59°
17
77°
52°
18
72°
54°
19
73°
53°
20
73°
56°
21
75°
55°
22
73°
55°
23
72°
54°
24
75°
60°
25
71°
52°
26
74°
61°
27
78°
56°
28
77°
54°
29
70°
58°
30
69°
52°
31
69°
52°
1
70°
50°
2
69°
51°
3
70°
57°
4
74°
51°
5
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Laval
Laval's August 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 49° and 64°. The average high for August is 75° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Laval. See also: September | October | November.
