S
M
T
W
T
F
S
27
86°
63°
28
86°
68°
29
84°
70°
30
86°
72°
1
86°
79°
2
88°
75°
3
86°
73°
4
86°
73°
5
81°
72°
6
77°
72°
7
79°
73°
8
82°
74°
9
80°
74°
10
84°
77°
11
86°
69°
12
86°
66°
13
86°
69°
14
86°
72°
15
79°
67°
16
83°
68°
17
83°
68°
18
80°
65°
19
79°
66°
20
80°
65°
21
78°
70°
22
79°
66°
23
72°
64°
24
71°
64°
25
71°
63°
26
72°
63°
27
74°
59°
28
74°
57°
29
69°
58°
30
69°
63°
31
72°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sea Island
Sea Island's October 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 57° and 77°. The average high for October is 78° with an average low of 66°. 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 Sea Island. See also: November | December | January.
