S
M
T
W
T
F
S
28
78°
54°
29
78°
61°
30
77°
62°
1
73°
60°
2
77°
57°
3
82°
59°
4
83°
52°
5
77°
52°
6
77°
53°
7
78°
59°
8
80°
62°
9
82°
55°
10
82°
54°
11
78°
55°
12
82°
56°
13
83°
63°
14
84°
62°
15
83°
59°
16
80°
58°
17
82°
64°
18
84°
56°
19
Hist. Avg.
79°
60°
20
Hist. Avg.
79°
60°
21
Hist. Avg.
79°
60°
22
Hist. Avg.
79°
59°
23
Hist. Avg.
79°
59°
24
Hist. Avg.
79°
59°
25
Hist. Avg.
78°
59°
26
Hist. Avg.
78°
59°
27
Hist. Avg.
78°
59°
28
Hist. Avg.
78°
59°
29
Hist. Avg.
78°
59°
30
Hist. Avg.
78°
59°
31
Hist. Avg.
78°
59°
1
Hist. Avg.
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Montreal–Trudeau
Montreal–Trudeau's July 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 52° and 64°. The average high for July is 80° 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 Montreal–Trudeau. See also: August | September | October.
