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