S
M
T
W
T
F
S
28
83°
61°
29
85°
60°
30
84°
65°
1
90°
72°
2
90°
71°
3
88°
73°
4
81°
65°
5
83°
61°
6
87°
63°
7
85°
70°
8
87°
67°
9
74°
67°
10
82°
64°
11
81°
59°
12
83°
61°
13
83°
65°
14
87°
71°
15
84°
67°
16
78°
65°
17
79°
59°
18
72°
61°
19
76°
60°
20
80°
60°
21
81°
68°
22
73°
55°
23
78°
54°
24
80°
60°
25
85°
65°
26
83°
67°
27
82°
67°
28
80°
67°
29
76°
63°
30
77°
63°
31
83°
67°
1
82°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in L'Île-Dorval
L'Île-Dorval's July 2026 forecast shows daily high temperatures ranging from 76° to 85°, with overnight lows between 63° and 67°. The average high for July is 81° with an average low of 66°. 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 L'Île-Dorval. See also: August | September | October.