S
M
T
W
T
F
S
28
90°
73°
29
91°
75°
30
94°
76°
1
92°
74°
2
94°
74°
3
92°
75°
4
90°
70°
5
90°
68°
6
87°
67°
7
89°
71°
8
91°
68°
9
91°
71°
10
86°
70°
11
85°
68°
12
87°
66°
13
89°
63°
14
88°
66°
15
88°
70°
16
90°
69°
17
91°
70°
18
91°
70°
19
90°
71°
20
91°
68°
21
92°
70°
22
89°
67°
23
92°
71°
24
93°
72°
25
93°
72°
26
94°
73°
27
94°
72°
28
93°
72°
29
92°
71°
30
92°
71°
31
91°
70°
1
88°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Montreal
Montreal's July 2026 forecast shows daily high temperatures ranging from 85° to 94°, with overnight lows between 63° and 73°. The average high for July is 90° with an average low of 70°. 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. See also: August | September | October.
