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