S
M
T
W
T
F
S
26
96°
76°
27
95°
75°
28
85°
72°
29
87°
71°
30
86°
67°
31
87°
71°
1
71°
63°
2
82°
63°
3
84°
63°
4
87°
67°
5
87°
70°
6
77°
67°
7
87°
67°
8
88°
66°
9
94°
72°
10
96°
74°
11
96°
75°
12
97°
76°
13
96°
76°
14
97°
77°
15
97°
77°
16
96°
73°
17
82°
66°
18
88°
63°
19
79°
68°
20
85°
67°
21
87°
66°
22
83°
65°
23
79°
60°
24
82°
65°
25
86°
67°
26
87°
63°
27
85°
59°
28
87°
59°
29
88°
61°
30
92°
65°
31
85°
60°
1
85°
58°
2
83°
57°
3
84°
58°
4
83°
59°
5
86°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cuba
Cuba's August 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 57° and 67°. The average high for August is 86° with an average low of 61°. 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 Cuba. See also: September | October | November.