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