S
M
T
W
T
F
S
27
87°
79°
28
87°
78°
29
87°
72°
30
84°
75°
1
84°
74°
2
86°
76°
3
89°
82°
4
91°
82°
5
89°
82°
6
90°
81°
7
88°
80°
8
88°
79°
9
90°
82°
10
89°
81°
11
91°
82°
12
90°
83°
13
89°
81°
14
90°
80°
15
90°
81°
16
83°
80°
17
83°
79°
18
84°
80°
19
83°
80°
20
83°
79°
21
84°
75°
22
82°
75°
23
82°
78°
24
83°
79°
25
82°
79°
26
82°
78°
27
83°
78°
28
82°
77°
29
81°
78°
30
81°
78°
31
82°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Big Coppitt Key
Big Coppitt Key's October 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 74° and 83°. The average high for October is 86° with an average low of 79°. 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 Big Coppitt Key. See also: November | December | January.
