S
M
T
W
T
F
S
28
94°
75°
29
95°
76°
30
92°
75°
1
92°
76°
2
93°
77°
3
94°
74°
4
93°
76°
5
89°
75°
6
88°
76°
7
88°
76°
8
89°
75°
9
88°
76°
10
88°
76°
11
89°
75°
12
88°
76°
13
88°
76°
14
89°
76°
15
88°
76°
16
88°
75°
17
86°
76°
18
88°
76°
19
87°
75°
20
88°
76°
21
86°
74°
22
88°
76°
23
88°
75°
24
86°
74°
25
88°
75°
26
88°
76°
27
89°
77°
28
88°
77°
29
88°
76°
30
90°
76°
31
90°
77°
1
91°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Seaside
Seaside's July 2026 forecast shows daily high temperatures ranging from 86° to 95°, with overnight lows between 74° and 77°. The average high for July is 89° with an average low of 76°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Seaside. See also: August | September | October.