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
68°
53°
2
68°
52°
3
76°
52°
4
83°
55°
5
79°
56°
6
73°
55°
7
74°
56°
8
69°
55°
9
67°
54°
10
66°
56°
11
67°
55°
12
66°
55°
13
67°
54°
14
66°
55°
15
67°
54°
16
63°
51°
17
65°
56°
18
67°
54°
19
68°
52°
20
65°
52°
21
64°
56°
22
63°
51°
23
66°
56°
24
63°
50°
25
69°
53°
26
70°
56°
27
70°
56°
28
69°
55°
29
64°
53°
30
63°
50°
31
63°
53°
1
62°
54°
2
63°
50°
3
63°
49°
4
64°
52°
5
62°
49°
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 83°, with overnight lows between 49° and 56°. 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.
