27.08
thu
thu
Day

84°F
W 6 mph
Precip.
5%
5%
Night

79°F
NW 6 mph
Precip.
15%
15%
28.08
fri
fri
Day

86°F
W 16 mph
Precip.
5%
5%
Night

79°F
NW 11 mph
Precip.
11%
11%
29.08
sat
sat
Day

86°F
W 16 mph
Precip.
9%
9%
Night

79°F
NW 9 mph
Precip.
19%
19%
30.08
sun
sun
Day

84°F
W 9 mph
Precip.
13%
13%
Night

81°F
NW 2 mph
Precip.
18%
18%
31.08
mon
mon
Day

82°F
SW 9 mph
Precip.
73%
73%
Night

79°F
NW 5 mph
Precip.
36%
36%
01.09
tue
tue
Day

84°F
W 10 mph
Precip.
23%
23%
Night

79°F
NW 11 mph
Precip.
29%
29%
02.09
wed
wed
Day

86°F
W 14 mph
Precip.
36%
36%
Night

79°F
NW 9 mph
Precip.
10%
10%
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 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 86.4°F and 84.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.8°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: 20:57
August 27, thursday
2100

81°F
W
3 mph
3 mph
August 28, friday
0000

79°F
NW
6 mph
6 mph
0300

79°F
W
6 mph
6 mph
0600

79°F
NW
5 mph
5 mph
0900

84°F
W
6 mph
6 mph
1200

86°F
W
16 mph
16 mph
1500

86°F
W
17 mph
17 mph
1800

82°F
NW
14 mph
14 mph


























