S
M
T
W
T
F
S
28
93°
77°
29
94°
78°
30
95°
78°
1
94°
75°
2
94°
78°
3
92°
78°
4
92°
78°
5
90°
75°
6
91°
76°
7
90°
77°
8
94°
78°
9
95°
80°
10
94°
75°
11
92°
75°
12
94°
81°
13
95°
79°
14
94°
79°
15
94°
80°
16
93°
80°
17
90°
78°
18
90°
78°
19
88°
79°
20
88°
80°
21
92°
79°
22
91°
78°
23
90°
78°
24
91°
79°
25
90°
78°
26
89°
79°
27
90°
75°
28
88°
78°
29
88°
78°
30
89°
77°
31
88°
77°
1
89°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Siesta Key
Siesta Key's July 2026 forecast shows daily high temperatures ranging from 88° to 94°, with overnight lows between 75° and 80°. The average high for July is 90° with an average low of 78°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Siesta Key. See also: August | September | October.
