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
87°
82°
4
88°
83°
5
88°
82°
6
89°
80°
7
89°
80°
8
90°
81°
9
90°
82°
10
88°
83°
11
90°
82°
12
91°
82°
13
90°
81°
14
89°
80°
15
90°
80°
16
90°
81°
17
89°
80°
18
89°
79°
19
90°
80°
20
83°
80°
21
83°
79°
22
84°
80°
23
84°
80°
24
83°
79°
25
82°
79°
26
82°
78°
27
81°
76°
28
82°
77°
29
81°
78°
30
82°
78°
31
83°
77°
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 76° and 83°. The average high for October is 86° with an average low of 80°. 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.
