S
M
T
W
T
F
S
27
85°
67°
28
87°
68°
29
85°
75°
30
89°
75°
1
87°
75°
2
89°
75°
3
88°
75°
4
91°
76°
5
87°
75°
6
85°
74°
7
84°
73°
8
85°
74°
9
84°
73°
10
86°
73°
11
85°
72°
12
84°
72°
13
84°
73°
14
86°
69°
15
83°
70°
16
83°
71°
17
84°
70°
18
82°
70°
19
82°
69°
20
83°
67°
21
81°
63°
22
79°
63°
23
80°
66°
24
80°
67°
25
81°
68°
26
81°
66°
27
80°
67°
28
80°
68°
29
79°
67°
30
79°
63°
31
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Siesta Key
Siesta Key's October 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 61° and 76°. The average high for October is 83° 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 Siesta Key. See also: November | December | January.
