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