Measurements:
°C
°F
CURRENT WEATHER
19:40
Port Antonio
84°F
NW 11 mph
Feels like: 92°F
Precip: 23%
World Resorts Jamaica Port Antonio Weather

7 Day Weather Forecast

09.28
mon
DAY
90°F
W 14 mph
precip
6%
NIGHT
84°F
NW 10 mph
precip
23%
09.29
tue
DAY
90°F
W 10 mph
precip
28%
NIGHT
84°F
NW 11 mph
precip
29%
09.30
wed
DAY
90°F
W 16 mph
precip
14%
NIGHT
84°F
NW 12 mph
precip
27%
10.01
thu
DAY
90°F
NW 16 mph
precip
6%
NIGHT
84°F
NW 15 mph
precip
24%
10.02
fri
DAY
90°F
W 15 mph
precip
15%
NIGHT
84°F
NW 11 mph
precip
12%
10.03
sat
DAY
90°F
W 12 mph
precip
9%
NIGHT
84°F
NW 11 mph
precip
15%
10.04
sun
DAY
90°F
W 15 mph
precip
5%
NIGHT
84°F
NW 11 mph
precip
14%

Port Antonio Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Port Antonio was 29.8°F. The maximum and minimum values were 29.2°F and 30.3°F respectively.

Port Antonio on the Weather Map

Best Time to Visit Port Antonio
The most sunny months:
July 11 days
May 9 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
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