S
M
T
W
T
F
S
26
90°
77°
27
89°
77°
28
90°
77°
29
90°
79°
30
90°
75°
31
88°
75°
1
86°
75°
2
90°
77°
3
90°
77°
4
90°
78°
5
90°
76°
6
91°
76°
7
91°
77°
8
92°
79°
9
90°
78°
10
91°
77°
11
90°
79°
12
91°
74°
13
92°
73°
14
91°
74°
15
90°
72°
16
89°
73°
17
88°
71°
18
89°
73°
19
89°
73°
20
90°
72°
21
88°
73°
22
88°
72°
23
89°
73°
24
90°
73°
25
90°
72°
26
88°
72°
27
89°
73°
28
89°
73°
29
90°
72°
30
89°
73°
31
87°
72°
1
88°
70°
2
87°
70°
3
87°
70°
4
88°
72°
5
88°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Arecibo
Arecibo's August 2026 forecast shows daily high temperatures ranging from 87° to 92°, with overnight lows between 70° and 79°. The average high for August is 89° with an average low of 73°. 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 Arecibo. See also: September | October | November.
