S
M
T
W
T
F
S
28
89°
82°
29
90°
82°
30
90°
83°
1
88°
82°
2
90°
83°
3
89°
83°
4
89°
82°
5
88°
83°
6
88°
83°
7
87°
82°
8
87°
82°
9
88°
83°
10
88°
82°
11
89°
82°
12
88°
83°
13
88°
82°
14
89°
81°
15
88°
83°
16
88°
82°
17
89°
82°
18
88°
81°
19
87°
81°
20
88°
83°
21
88°
82°
22
89°
82°
23
87°
80°
24
87°
81°
25
88°
83°
26
89°
82°
27
90°
79°
28
90°
80°
29
90°
81°
30
91°
80°
31
90°
81°
1
91°
81°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Key West
Key West's July 2026 forecast shows daily high temperatures ranging from 87° to 91°, with overnight lows between 79° and 83°. The average high for July is 89° with an average low of 82°. 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 Key West. See also: August | September | October.
