S
M
T
W
T
F
S
26
72°
53°
27
73°
52°
28
73°
53°
29
74°
60°
30
74°
61°
31
78°
61°
1
80°
62°
2
81°
62°
3
82°
61°
4
80°
55°
5
76°
54°
6
71°
57°
7
72°
56°
8
72°
58°
9
75°
59°
10
76°
57°
11
75°
60°
12
76°
59°
13
77°
52°
14
76°
55°
15
77°
59°
16
71°
53°
17
71°
51°
18
72°
52°
19
75°
53°
20
77°
55°
21
76°
57°
22
76°
54°
23
73°
52°
24
74°
54°
25
75°
58°
26
76°
49°
27
75°
48°
28
68°
48°
29
67°
54°
30
68°
49°
31
72°
56°
1
73°
49°
2
71°
49°
3
65°
47°
4
66°
46°
5
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Vanier
Vanier's August 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 46° and 62°. The average high for August is 74° 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 Vanier. See also: September | October | November.