S
M
T
W
T
F
S
26
86°
65°
27
86°
68°
28
74°
66°
29
81°
68°
30
80°
67°
31
79°
67°
1
83°
70°
2
78°
69°
3
79°
63°
4
83°
65°
5
84°
70°
6
81°
70°
7
86°
67°
8
84°
66°
9
84°
65°
10
78°
62°
11
76°
62°
12
77°
63°
13
76°
55°
14
78°
62°
15
72°
59°
16
72°
56°
17
73°
61°
18
72°
60°
19
71°
58°
20
71°
58°
21
72°
56°
22
70°
55°
23
70°
54°
24
69°
52°
25
70°
56°
26
70°
54°
27
69°
55°
28
69°
54°
29
68°
51°
30
68°
56°
31
74°
59°
1
72°
61°
2
73°
59°
3
73°
56°
4
67°
53°
5
68°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in L'Île-Dorval
L'Île-Dorval's August 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 51° and 70°. The average high for August is 75° with an average low of 60°. 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 L'Île-Dorval. See also: September | October | November.
