S
M
T
W
T
F
S
26
70°
58°
27
68°
57°
28
69°
55°
29
69°
54°
30
70°
52°
31
65°
51°
1
66°
54°
2
70°
55°
3
70°
55°
4
69°
53°
5
69°
51°
6
67°
51°
7
69°
57°
8
70°
57°
9
71°
53°
10
71°
51°
11
70°
49°
12
65°
50°
13
68°
50°
14
68°
49°
15
67°
49°
16
68°
53°
17
70°
58°
18
70°
59°
19
71°
57°
20
72°
58°
21
70°
57°
22
64°
55°
23
65°
56°
24
69°
56°
25
63°
50°
26
62°
53°
27
63°
49°
28
62°
49°
29
63°
48°
30
64°
49°
31
64°
51°
1
65°
56°
2
63°
56°
3
63°
55°
4
62°
55°
5
62°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Seaside
Seaside's August 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 48° and 59°. The average high for August is 67° with an average low of 53°. 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 Seaside. See also: September | October | November.
