17.09
thu
thu
Day
86°F
W 13 mph
Precip.
15%
15%
Night
82°F
NW 7 mph
Precip.
34%
34%
18.09
fri
fri
Day
84°F
NW 15 mph
Precip.
20%
20%
Night
81°F
NW 12 mph
Precip.
27%
27%
19.09
sat
sat
Day
88°F
W 15 mph
Precip.
6%
6%
Night
81°F
NW 9 mph
Precip.
21%
21%
20.09
sun
sun
Day
86°F
W 12 mph
Precip.
25%
25%
Night
79°F
NW 8 mph
Precip.
24%
24%
21.09
mon
mon
Day
81°F
NW 14 mph
Precip.
79%
79%
Night
77°F
N 10 mph
Precip.
92%
92%
22.09
tue
tue
Day
79°F
NW 12 mph
Precip.
69%
69%
Night
79°F
NW 12 mph
Precip.
52%
52%
23.09
wed
wed
Day
82°F
NW 14 mph
Precip.
20%
20%
Night
81°F
NW 11 mph
Precip.
25%
25%
sea water
temperature
temperature
| Port Antonio |
monthly
weather
weather
| Port Antonio |
current
weather
weather
| Port Antonio |
14 days
forecast
forecast
| Port Antonio |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.3°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.6°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 86.3°F. The highest and lowest sea temperatures during the month were 86.7°F and 85.1°F.
Air temperature in Port Antonio, °F
Precipitation total in Port Antonio, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Port Antonio
Port Antonio on a weather map
Places in Jamaica:
Name
°F
24 Hours Forecast
Port Antonio
Local time: 00:07
September 17, thursday
0300
79°F
NW
6 mph
6 mph
0600
79°F
NW
6 mph
6 mph
0900
84°F
NW
8 mph
8 mph
1200
86°F
W
13 mph
13 mph
1500
84°F
W
14 mph
14 mph
1800
82°F
W
9 mph
9 mph
2100
82°F
NW
7 mph
7 mph
September 18, friday
0000
82°F
NW
7 mph
7 mph
