S
M
T
W
T
F
S
26
88°
76°
27
89°
77°
28
88°
77°
29
88°
76°
30
90°
76°
31
90°
77°
1
91°
76°
2
91°
76°
3
90°
74°
4
89°
74°
5
89°
76°
6
92°
77°
7
93°
73°
8
92°
74°
9
92°
73°
10
93°
75°
11
93°
75°
12
92°
74°
13
92°
74°
14
89°
73°
15
88°
75°
16
88°
75°
17
91°
76°
18
92°
76°
19
92°
75°
20
91°
75°
21
92°
74°
22
92°
75°
23
89°
74°
24
88°
73°
25
88°
73°
26
90°
72°
27
91°
73°
28
90°
72°
29
90°
75°
30
91°
74°
31
92°
74°
1
92°
73°
2
91°
73°
3
90°
71°
4
90°
73°
5
89°
73°
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 88° to 93°, with overnight lows between 71° and 77°. The average high for August is 90° with an average low of 74°. 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.
