S
M
T
W
T
F
S
27
86°
79°
28
86°
78°
29
87°
73°
30
83°
74°
1
83°
81°
2
89°
81°
3
90°
82°
4
89°
82°
5
88°
79°
6
86°
78°
7
88°
78°
8
87°
77°
9
88°
78°
10
88°
79°
11
87°
78°
12
86°
78°
13
87°
79°
14
88°
76°
15
83°
74°
16
83°
77°
17
84°
76°
18
83°
77°
19
82°
77°
20
82°
74°
21
83°
72°
22
81°
72°
23
81°
77°
24
82°
76°
25
81°
76°
26
81°
75°
27
82°
76°
28
81°
74°
29
80°
75°
30
81°
73°
31
80°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Big Pine Key
Big Pine Key's October 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 71° and 82°. 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 Big Pine Key. See also: November | December | January.
