S
M
T
W
T
F
S
26
71°
54°
27
63°
50°
28
63°
51°
29
64°
55°
30
66°
51°
31
65°
55°
1
66°
55°
2
64°
54°
3
66°
55°
4
66°
55°
5
68°
54°
6
68°
54°
7
65°
53°
8
64°
52°
9
63°
50°
10
63°
54°
11
65°
55°
12
65°
56°
13
66°
55°
14
67°
55°
15
68°
54°
16
68°
54°
17
64°
53°
18
63°
55°
19
64°
54°
20
66°
54°
21
65°
52°
22
62°
49°
23
62°
53°
24
64°
49°
25
63°
49°
26
63°
50°
27
62°
50°
28
62°
52°
29
63°
51°
30
62°
49°
31
62°
49°
1
63°
52°
2
61°
49°
3
61°
48°
4
62°
47°
5
61°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Port Seton
Port Seton's August 2026 forecast shows daily high temperatures ranging from 61° to 71°, with overnight lows between 47° and 56°. The average high for August is 64° with an average low of 52°. 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 Port Seton. See also: September | October | November.
