S
M
T
W
T
F
S
28
92°
78°
29
92°
80°
30
93°
77°
1
93°
76°
2
91°
77°
3
92°
77°
4
93°
79°
5
92°
80°
6
92°
77°
7
92°
78°
8
90°
85°
9
90°
84°
10
90°
83°
11
89°
84°
12
89°
85°
13
92°
82°
14
93°
82°
15
92°
83°
16
91°
84°
17
91°
84°
18
93°
82°
19
91°
84°
20
92°
83°
21
91°
79°
22
90°
80°
23
90°
81°
24
90°
81°
25
91°
80°
26
88°
81°
27
87°
79°
28
88°
80°
29
88°
81°
30
89°
81°
31
88°
80°
1
88°
81°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Upper Keys
Upper Keys's July 2026 forecast shows daily high temperatures ranging from 87° to 93°, with overnight lows between 79° and 85°. The average high for July is 90° 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 Upper Keys. See also: August | September | October.
