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