S
M
T
W
T
F
S
26
65°
57°
27
68°
58°
28
68°
55°
29
69°
49°
30
69°
49°
31
75°
51°
1
67°
55°
2
68°
54°
3
76°
48°
4
80°
52°
5
82°
52°
6
68°
56°
7
69°
58°
8
71°
54°
9
67°
58°
10
66°
58°
11
70°
57°
12
69°
59°
13
68°
58°
14
66°
57°
15
66°
59°
16
66°
58°
17
68°
56°
18
65°
58°
19
70°
58°
20
66°
56°
21
65°
56°
22
66°
57°
23
70°
59°
24
81°
51°
25
61°
57°
26
68°
57°
27
68°
58°
28
67°
53°
29
67°
51°
30
67°
53°
31
64°
54°
1
66°
54°
2
67°
52°
3
66°
53°
4
67°
54°
5
66°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cannon Beach
Cannon Beach's August 2026 forecast shows daily high temperatures ranging from 61° to 68°, with overnight lows between 51° and 58°. The average high for August is 66° 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 Cannon Beach. See also: September | October | November.
