S
M
T
W
T
F
S
27
86°
79°
28
87°
78°
29
86°
77°
30
87°
78°
1
85°
79°
2
87°
79°
3
86°
80°
4
87°
79°
5
88°
78°
6
87°
80°
7
86°
79°
8
87°
80°
9
88°
79°
10
87°
79°
11
Hist. Avg.
87°
78°
12
Hist. Avg.
86°
78°
13
Hist. Avg.
86°
77°
14
Hist. Avg.
86°
77°
15
Hist. Avg.
86°
77°
16
Hist. Avg.
86°
77°
17
Hist. Avg.
86°
77°
18
Hist. Avg.
86°
77°
19
Hist. Avg.
85°
76°
20
Hist. Avg.
85°
76°
21
Hist. Avg.
85°
76°
22
Hist. Avg.
85°
76°
23
Hist. Avg.
85°
76°
24
Hist. Avg.
85°
76°
25
Hist. Avg.
84°
76°
26
Hist. Avg.
84°
75°
27
Hist. Avg.
84°
75°
28
Hist. Avg.
84°
75°
29
Hist. Avg.
84°
75°
30
Hist. Avg.
84°
75°
31
Hist. Avg.
83°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Big Coppitt Key
Big Coppitt Key's October 2026 forecast shows daily high temperatures ranging from 85° to 88°, with overnight lows between 77° and 80°. The average high for October is 87° 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.
