S
M
T
W
T
F
S
26
76°
54°
27
74°
50°
28
76°
57°
29
79°
58°
30
82°
59°
31
81°
54°
1
84°
47°
2
80°
48°
3
74°
49°
4
75°
49°
5
77°
47°
6
76°
55°
7
79°
53°
8
78°
56°
9
82°
56°
10
81°
55°
11
82°
56°
12
83°
55°
13
80°
56°
14
83°
51°
15
76°
52°
16
77°
51°
17
74°
55°
18
82°
55°
19
82°
51°
20
81°
53°
21
81°
53°
22
80°
52°
23
82°
48°
24
72°
50°
25
72°
44°
26
74°
50°
27
75°
52°
28
76°
50°
29
74°
47°
30
69°
44°
31
67°
43°
1
69°
48°
2
70°
50°
3
69°
48°
4
75°
47°
5
70°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Miami
Miami's August 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 43° and 59°. The average high for August is 77° with an average low of 51°. 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 Miami. See also: September | October | November.
