S
M
T
W
T
F
S
27
87°
71°
28
85°
70°
29
82°
75°
30
83°
73°
1
82°
73°
2
86°
76°
3
90°
78°
4
90°
75°
5
89°
76°
6
88°
77°
7
84°
76°
8
90°
74°
9
91°
77°
10
89°
81°
11
90°
78°
12
90°
72°
13
90°
71°
14
93°
72°
15
93°
76°
16
91°
76°
17
89°
70°
18
86°
69°
19
88°
68°
20
86°
66°
21
85°
68°
22
84°
67°
23
83°
66°
24
83°
70°
25
84°
69°
26
86°
67°
27
85°
68°
28
85°
66°
29
86°
69°
30
87°
67°
31
82°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Marco Island
Marco Island's October 2026 forecast shows daily high temperatures ranging from 82° to 88°, with overnight lows between 66° and 70°. The average high for October is 85° with an average low of 68°. 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 Marco Island. See also: November | December | January.
