S
M
T
W
T
F
S
26
78°
64°
27
79°
64°
28
77°
63°
29
80°
64°
30
77°
63°
31
77°
62°
1
79°
64°
2
80°
63°
3
77°
63°
4
78°
62°
5
74°
59°
6
77°
61°
7
79°
60°
8
75°
56°
9
72°
55°
10
72°
55°
11
73°
58°
12
73°
55°
13
74°
62°
14
76°
63°
15
80°
62°
16
73°
61°
17
73°
55°
18
73°
53°
19
74°
58°
20
77°
59°
21
72°
53°
22
74°
51°
23
76°
51°
24
71°
50°
25
71°
52°
26
75°
52°
27
77°
53°
28
75°
53°
29
77°
58°
30
77°
58°
31
76°
57°
1
77°
59°
2
78°
56°
3
76°
50°
4
68°
47°
5
67°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Saint-Lazare
Saint-Lazare's August 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 47° and 64°. The average high for August is 75° 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 August weather will actually feel in Saint-Lazare. See also: September | October | November.
