Measurements:
°C
°F
CURRENT WEATHER
15:25
Port Antonio
90°F
W 12 mph
Feels like: 98°F
Precip: 7%
World Resorts Jamaica Port Antonio Weather

7 Day Weather Forecast

09.08
tue
DAY
90°F
W 12 mph
precip
16%
NIGHT
84°F
NW 9 mph
precip
20%
09.09
wed
DAY
90°F
W 15 mph
precip
13%
NIGHT
84°F
NW 11 mph
precip
10%
09.10
thu
DAY
90°F
W 15 mph
precip
15%
NIGHT
84°F
NW 6 mph
precip
20%
09.11
fri
DAY
90°F
W 12 mph
precip
22%
NIGHT
84°F
NW 13 mph
precip
20%
09.12
sat
DAY
90°F
W 19 mph
precip
21%
NIGHT
84°F
NW 14 mph
precip
13%
09.13
sun
DAY
90°F
W 14 mph
precip
14%
NIGHT
82°F
NW 6 mph
precip
29%
09.14
mon
DAY
88°F
W 9 mph
precip
8%
NIGHT
82°F
NW 5 mph
precip
17%

Port Antonio Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Port Antonio was 30.2°F. The maximum and minimum values were 29.9°F and 30.5°F respectively.

Port Antonio on the Weather Map

Best Time to Visit Port Antonio
The most sunny months:
July 11 days
September 10 days
April 9 days
The most warm months:
August 90.2 °F
September 90.1 °F
July 90.0 °F
Warmest sea temperature:
September 89.6 °F
October 89.3 °F
August 89.0 °F
The most cold months:
February 83.5 °F
January 83.5 °F
March 84.1 °F
The most rainy months:
October 8 days
November 6 days
December 6 days
The most windy months:
June 11 mph
July 10 mph
May 10 mph
more details