S
M
T
W
T
F
S
26
63°
59°
27
66°
59°
28
73°
58°
29
76°
50°
30
77°
51°
31
83°
52°
1
74°
56°
2
N/A
3
79°
53°
4
86°
56°
5
90°
58°
6
86°
57°
7
84°
55°
8
80°
56°
9
75°
55°
10
76°
56°
11
78°
57°
12
83°
58°
13
78°
57°
14
78°
56°
15
80°
55°
16
84°
63°
17
75°
62°
18
76°
59°
19
75°
59°
20
73°
56°
21
72°
58°
22
72°
60°
23
71°
60°
24
71°
53°
25
72°
59°
26
78°
61°
27
75°
61°
28
70°
60°
29
70°
57°
30
69°
52°
31
70°
56°
1
69°
57°
2
68°
54°
3
68°
51°
4
69°
54°
5
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Squamish
Squamish's August 2026 forecast shows daily high temperatures ranging from 67° to 90°, with overnight lows between 51° and 63°. The average high for August is 76° with an average low of 57°. 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 Squamish. See also: September | October | November.
