S
M
T
W
T
F
S
26
74°
54°
27
73°
53°
28
73°
56°
29
75°
61°
30
77°
62°
31
81°
63°
1
82°
64°
2
82°
63°
3
83°
63°
4
83°
58°
5
76°
55°
6
73°
56°
7
73°
55°
8
74°
57°
9
77°
59°
10
77°
61°
11
76°
60°
12
79°
61°
13
80°
54°
14
79°
61°
15
80°
61°
16
80°
55°
17
74°
53°
18
74°
52°
19
76°
55°
20
79°
59°
21
79°
59°
22
72°
58°
23
72°
55°
24
75°
57°
25
78°
59°
26
78°
55°
27
77°
49°
28
71°
51°
29
70°
56°
30
68°
57°
31
77°
58°
1
78°
56°
2
75°
55°
3
72°
50°
4
69°
50°
5
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Westmount
Westmount's August 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 49° and 64°. The average high for August is 76° with an average low of 57°. 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 Westmount. See also: September | October | November.
