S
M
T
W
T
F
S
27
87°
79°
28
86°
77°
29
83°
79°
30
86°
78°
1
88°
79°
2
87°
80°
3
88°
79°
4
89°
78°
5
88°
79°
6
89°
78°
7
88°
77°
8
87°
75°
9
85°
76°
10
86°
77°
11
85°
78°
12
84°
78°
13
85°
78°
14
82°
76°
15
83°
74°
16
82°
76°
17
83°
77°
18
83°
77°
19
84°
76°
20
82°
77°
21
82°
77°
22
83°
75°
23
83°
76°
24
82°
75°
25
81°
76°
26
81°
76°
27
82°
75°
28
81°
76°
29
81°
76°
30
82°
75°
31
82°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Cudjoe Key
Cudjoe Key's October 2026 forecast shows daily high temperatures ranging from 81° to 89°, with overnight lows between 74° and 80°. The average high for October is 84° with an average low of 77°. 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 Cudjoe Key. See also: November | December | January.