S
M
T
W
T
F
S
26
90°
80°
27
91°
80°
28
90°
81°
29
90°
81°
30
91°
82°
31
91°
80°
1
90°
81°
2
90°
82°
3
91°
80°
4
89°
80°
5
89°
81°
6
90°
82°
7
91°
78°
8
92°
83°
9
91°
81°
10
92°
82°
11
90°
80°
12
92°
80°
13
91°
81°
14
88°
82°
15
88°
81°
16
89°
81°
17
87°
81°
18
88°
82°
19
88°
82°
20
87°
80°
21
88°
81°
22
88°
80°
23
89°
82°
24
88°
82°
25
88°
81°
26
89°
81°
27
88°
82°
28
89°
82°
29
88°
80°
30
87°
81°
31
87°
81°
1
88°
80°
2
88°
81°
3
89°
81°
4
88°
80°
5
88°
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 78° and 83°. 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.
