S
M
T
W
T
F
S
27
66°
54°
28
57°
53°
29
60°
56°
30
62°
53°
1
66°
54°
2
71°
52°
3
64°
44°
4
61°
40°
5
65°
47°
6
57°
43°
7
58°
36°
8
62°
46°
9
62°
42°
10
58°
36°
11
57°
31°
12
68°
44°
13
50°
39°
14
60°
50°
15
57°
35°
16
59°
34°
17
54°
31°
18
51°
26°
19
55°
32°
20
61°
38°
21
55°
43°
22
56°
38°
23
48°
35°
24
54°
39°
25
59°
40°
26
62°
43°
27
57°
39°
28
51°
35°
29
54°
39°
30
55°
42°
31
49°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Seal Harbor
Seal Harbor's October 2026 forecast shows daily high temperatures ranging from 48° to 62°, with overnight lows between 35° and 43°. The average high for October is 55° with an average low of 39°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Seal Harbor. See also: November | December | January.
