28.08
fri
fri
Day
86°F
W 20 mph
Precip.
15%
15%
Night
77°F
NW 8 mph
Precip.
26%
26%
29.08
sat
sat
Day
88°F
SW 17 mph
Precip.
15%
15%
Night
81°F
W 12 mph
Precip.
28%
28%
30.08
sun
sun
Day
84°F
SW 19 mph
Precip.
20%
20%
Night
79°F
NW 7 mph
Precip.
67%
67%
31.08
mon
mon
Day
86°F
NW 4 mph
Precip.
19%
19%
Night
79°F
N 4 mph
Precip.
68%
68%
01.09
tue
tue
Day
82°F
SW 12 mph
Precip.
54%
54%
Night
77°F
W 6 mph
Precip.
26%
26%
02.09
wed
wed
Day
88°F
SW 15 mph
Precip.
6%
6%
Night
77°F
NW 9 mph
Precip.
24%
24%
03.09
thu
thu
Day
86°F
SW 16 mph
Precip.
14%
14%
Night
79°F
W 11 mph
Precip.
24%
24%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 84.0°F. The highest and lowest sea temperatures during the month were 84.9°F and 83.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.8°F. The highest and lowest sea temperatures during the month were 86.2°F and 85.3°F.
Air temperature in Arecibo, °F
Precipitation total in Arecibo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Arecibo
Arecibo on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
Arecibo
Local time: 00:03
August 28, friday
0300
77°F
NW
9 mph
9 mph
0600
77°F
NW
7 mph
7 mph
0900
82°F
W
11 mph
11 mph
1200
86°F
W
20 mph
20 mph
1500
86°F
W
19 mph
19 mph
1800
84°F
W
21 mph
21 mph
2100
79°F
NW
12 mph
12 mph
August 29, saturday
0000
77°F
NW
8 mph
8 mph
