S
M
T
W
T
F
S
26
91°
81°
27
92°
80°
28
93°
80°
29
92°
81°
30
92°
81°
31
90°
79°
1
91°
80°
2
91°
81°
3
90°
81°
4
89°
79°
5
87°
80°
6
89°
82°
7
87°
80°
8
88°
79°
9
88°
79°
10
89°
80°
11
86°
78°
12
87°
78°
13
87°
79°
14
86°
79°
15
86°
80°
16
87°
79°
17
86°
79°
18
86°
80°
19
87°
79°
20
86°
78°
21
86°
80°
22
87°
80°
23
86°
79°
24
86°
80°
25
87°
80°
26
87°
78°
27
86°
79°
28
87°
79°
29
86°
78°
30
86°
79°
31
87°
80°
1
87°
79°
2
86°
80°
3
87°
79°
4
86°
78°
5
88°
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 86° to 92°, with overnight lows between 78° and 82°. The average high for August is 87° 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.
