S
M
T
W
T
F
S
28
90°
82°
29
90°
84°
30
92°
79°
1
90°
81°
2
90°
82°
3
90°
83°
4
89°
82°
5
88°
81°
6
90°
83°
7
89°
82°
8
90°
82°
9
89°
81°
10
90°
83°
11
91°
82°
12
90°
82°
13
91°
83°
14
90°
79°
15
90°
80°
16
89°
81°
17
90°
81°
18
90°
81°
19
89°
80°
20
87°
81°
21
87°
81°
22
88°
80°
23
87°
81°
24
87°
81°
25
88°
80°
26
88°
81°
27
89°
81°
28
90°
82°
29
90°
81°
30
89°
82°
31
89°
82°
1
91°
81°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Long Key
Long Key'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 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 Long Key. See also: August | September | October.
