S
M
T
W
T
F
S
26
69°
55°
27
75°
55°
28
72°
54°
29
70°
56°
30
74°
56°
31
73°
54°
1
68°
54°
2
68°
53°
3
69°
54°
4
67°
54°
5
67°
53°
6
68°
54°
7
69°
54°
8
70°
53°
9
68°
54°
10
68°
53°
11
70°
54°
12
70°
54°
13
71°
53°
14
73°
55°
15
72°
54°
16
68°
54°
17
68°
53°
18
70°
53°
19
71°
52°
20
70°
52°
21
69°
52°
22
72°
51°
23
67°
45°
24
66°
44°
25
65°
49°
26
67°
47°
27
64°
42°
28
65°
42°
29
66°
43°
30
62°
44°
31
60°
42°
1
64°
49°
2
70°
49°
3
63°
48°
4
63°
49°
5
64°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Port-Cartier
Port-Cartier's August 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 42° and 56°. The average high for August is 68° with an average low of 51°. 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 Port-Cartier. See also: September | October | November.
