28.08
fri
fri
Day
84°F
E 10 mph
Precip.
23%
23%
Night
82°F
SW 7 mph
Precip.
7%
7%
29.08
sat
sat
Day
86°F
E 6 mph
Precip.
17%
17%
Night
82°F
SW 12 mph
Precip.
24%
24%
30.08
sun
sun
Day
88°F
SW 21 mph
Precip.
13%
13%
Night
82°F
NW 12 mph
Precip.
33%
33%
31.08
mon
mon
Day
86°F
NW 17 mph
Precip.
18%
18%
Night
81°F
NW 6 mph
Precip.
55%
55%
01.09
tue
tue
Day
82°F
E 7 mph
Precip.
6%
6%
Night
81°F
W 6 mph
Precip.
58%
58%
02.09
wed
wed
Day
86°F
W 3 mph
Precip.
14%
14%
Night
81°F
W 8 mph
Precip.
7%
7%
03.09
thu
thu
Day
84°F
SE 7 mph
Precip.
7%
7%
Night
82°F
W 7 mph
Precip.
18%
18%
04.09
fri
fri
Day
84°F
E 7 mph
Precip.
12%
12%
Night
82°F
NW 10 mph
Precip.
19%
19%
05.09
sat
sat
Day
84°F
E 7 mph
Precip.
25%
25%
Night
82°F
NW 7 mph
Precip.
13%
13%
06.09
sun
sun
Day
86°F
NE 4 mph
Precip.
20%
20%
Night
82°F
NW 5 mph
Precip.
8%
8%
07.09
mon
mon
Day
84°F
E 6 mph
Precip.
18%
18%
Night
82°F
NW 10 mph
Precip.
13%
13%
08.09
tue
tue
Day
86°F
SE 5 mph
Precip.
5%
5%
Night
82°F
SW 6 mph
Precip.
22%
22%
09.09
wed
wed
Day
84°F
SE 6 mph
Precip.
26%
26%
Night
82°F
NW 8 mph
Precip.
21%
21%
sea water
temperature
temperature
| Mayaguez |
monthly
weather
weather
| Mayaguez |
current
weather
weather
| Mayaguez |
7 days
forecast
forecast
| Mayaguez |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 85.3°F. The highest and lowest sea temperatures during the month were 86.0°F and 84.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.1°F. The highest and lowest sea temperatures during the month were 86.5°F and 85.8°F.
Air temperature in Mayaguez, °F
Precipitation total in Mayaguez, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Mayaguez
Mayaguez on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
Mayaguez
Local time: 00:05
August 28, friday
0300
81°F
W
6 mph
6 mph
0600
81°F
W
4 mph
4 mph
0900
82°F
SW
2 mph
2 mph
1200
84°F
E
10 mph
10 mph
1500
86°F
NE
7 mph
7 mph
1800
86°F
S
1 mph
1 mph
2100
84°F
N
6 mph
6 mph
August 29, saturday
0000
82°F
SW
7 mph
7 mph
