S
M
T
W
T
F
S
26
78°
59°
27
78°
58°
28
83°
56°
29
74°
55°
30
73°
56°
31
76°
58°
1
80°
57°
2
70°
53°
3
70°
53°
4
69°
52°
5
70°
56°
6
73°
54°
7
74°
58°
8
79°
59°
9
78°
60°
10
72°
58°
11
68°
57°
12
69°
57°
13
75°
58°
14
71°
55°
15
66°
51°
16
67°
54°
17
71°
57°
18
67°
55°
19
66°
56°
20
74°
57°
21
73°
56°
22
69°
54°
23
68°
56°
24
75°
56°
25
74°
55°
26
71°
56°
27
67°
55°
28
71°
55°
29
72°
54°
30
71°
54°
31
63°
52°
1
63°
48°
2
62°
49°
3
61°
43°
4
61°
47°
5
59°
48°
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 59° to 83°, with overnight lows between 43° and 60°. The average high for August is 71° with an average low of 55°. 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.
