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