S
M
T
W
T
F
S
28
80°
61°
29
80°
59°
30
76°
58°
1
78°
54°
2
81°
52°
3
71°
55°
4
73°
62°
5
76°
63°
6
81°
54°
7
76°
59°
8
79°
62°
9
78°
58°
10
81°
53°
11
75°
52°
12
75°
54°
13
79°
56°
14
81°
62°
15
81°
59°
16
79°
63°
17
81°
56°
18
Hist. Avg.
79°
60°
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 71° to 81°, with overnight lows between 52° and 63°. The average high for July is 78° 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.
