S
M
T
W
T
F
S
27
87°
70°
28
89°
70°
29
84°
72°
30
86°
74°
1
81°
74°
2
88°
76°
3
93°
78°
4
92°
76°
5
92°
77°
6
90°
77°
7
86°
76°
8
90°
75°
9
90°
77°
10
89°
79°
11
92°
77°
12
90°
75°
13
90°
71°
14
92°
72°
15
93°
75°
16
92°
75°
17
87°
69°
18
85°
69°
19
88°
70°
20
85°
67°
21
85°
65°
22
84°
67°
23
84°
66°
24
85°
66°
25
83°
71°
26
87°
70°
27
84°
70°
28
87°
72°
29
86°
71°
30
87°
69°
31
88°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Dismal Key
Dismal Key's October 2026 forecast shows daily high temperatures ranging from 83° to 88°, with overnight lows between 69° and 72°. The average high for October is 86° with an average low of 70°. 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 Dismal Key. See also: November | December | January.
