S
M
T
W
T
F
S
26
75°
60°
27
80°
57°
28
81°
52°
29
80°
53°
30
80°
54°
31
79°
52°
1
79°
52°
2
78°
53°
3
80°
54°
4
81°
52°
5
80°
54°
6
79°
57°
7
74°
57°
8
70°
55°
9
70°
52°
10
71°
60°
11
72°
53°
12
72°
53°
13
75°
52°
14
70°
52°
15
70°
51°
16
71°
53°
17
74°
52°
18
77°
60°
19
76°
59°
20
69°
53°
21
70°
50°
22
70°
50°
23
71°
52°
24
74°
59°
25
77°
59°
26
77°
54°
27
78°
49°
28
77°
51°
29
71°
49°
30
70°
52°
31
71°
57°
1
68°
53°
2
68°
48°
3
67°
55°
4
69°
55°
5
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Port Coquitlam
Port Coquitlam's August 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 48° and 60°. The average high for August is 74° with an average low of 54°. 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 Coquitlam. See also: September | October | November.
