S
M
T
W
T
F
S
26
65°
62°
27
74°
60°
28
75°
61°
29
78°
54°
30
77°
55°
31
86°
55°
1
74°
61°
2
70°
55°
3
80°
54°
4
81°
56°
5
86°
57°
6
88°
57°
7
85°
60°
8
81°
60°
9
78°
57°
10
76°
55°
11
81°
57°
12
83°
61°
13
85°
60°
14
79°
62°
15
75°
60°
16
78°
59°
17
80°
58°
18
82°
61°
19
82°
60°
20
86°
59°
21
89°
61°
22
73°
62°
23
70°
56°
24
82°
58°
25
87°
61°
26
75°
59°
27
73°
53°
28
72°
54°
29
73°
54°
30
74°
53°
31
71°
54°
1
73°
54°
2
72°
54°
3
73°
55°
4
76°
56°
5
74°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Coquitlam
Coquitlam's August 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 51° and 61°. The average high for August is 75° 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 Coquitlam. See also: September | October | November.
