Measurements:
°C
°F
Port Antonio
84°F
W 7 mph
Feels like: 92°F
Precip: 43%
World Resorts Jamaica Port Antonio Weather

7 Day Weather Forecast

08.18
tue
DAY
90°F
W 11 mph
precip
20%
NIGHT
82°F
NW 7 mph
precip
27%
08.19
wed
DAY
88°F
W 11 mph
precip
19%
NIGHT
82°F
NW 9 mph
precip
9%
08.20
thu
DAY
90°F
W 14 mph
precip
15%
NIGHT
84°F
NW 14 mph
precip
10%
08.21
fri
DAY
88°F
W 17 mph
precip
14%
NIGHT
82°F
NW 11 mph
precip
9%
08.22
sat
DAY
88°F
W 14 mph
precip
4%
NIGHT
82°F
N 4 mph
precip
17%
08.23
sun
DAY
90°F
W 13 mph
precip
8%
NIGHT
84°F
NW 12 mph
precip
11%
08.24
mon
DAY
90°F
W 15 mph
precip
12%
NIGHT
84°F
NW 11 mph
precip
16%

Port Antonio Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Port Antonio was 29.8°F. The maximum and minimum values were 29.4°F and 30.2°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
August 7 days
November 6 days
The most windy months:
June 11 mph
July 10 mph
May 10 mph