World Resorts Jamaica Port Antonio Weather

Port Antonio 14 Days Forecast

16.09
wed
Day
86°F
W 13 mph
Precip.
4%
Night
81°F
NW 4 mph
Precip.
9%
17.09
thu
Day
86°F
W 13 mph
Precip.
15%
Night
82°F
NW 7 mph
Precip.
34%
18.09
fri
Day
84°F
NW 15 mph
Precip.
20%
Night
81°F
NW 12 mph
Precip.
27%
19.09
sat
Day
88°F
W 15 mph
Precip.
6%
Night
81°F
NW 9 mph
Precip.
21%
20.09
sun
Day
86°F
W 12 mph
Precip.
25%
Night
79°F
NW 8 mph
Precip.
24%
21.09
mon
Day
81°F
NW 14 mph
Precip.
79%
Night
77°F
N 10 mph
Precip.
92%
22.09
tue
Day
79°F
NW 12 mph
Precip.
69%
Night
79°F
NW 12 mph
Precip.
52%
23.09
wed
Day
82°F
NW 14 mph
Precip.
20%
Night
81°F
NW 11 mph
Precip.
25%
24.09
thu
Day
84°F
W 13 mph
Precip.
12%
Night
79°F
NW 8 mph
Precip.
24%
25.09
fri
Day
86°F
W 15 mph
Precip.
7%
Night
81°F
NW 7 mph
Precip.
16%
26.09
sat
Day
86°F
W 12 mph
Precip.
16%
Night
79°F
N 7 mph
Precip.
33%
27.09
sun
Day
86°F
W 12 mph
Precip.
15%
Night
79°F
N 7 mph
Precip.
18%
28.09
mon
Day
88°F
NW 10 mph
Precip.
15%
Night
79°F
N 7 mph
Precip.
23%
29.09
tue
Day
86°F
NW 15 mph
Precip.
16%
Night
81°F
NW 11 mph
Precip.
23%

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

Sunniest months:
July 11 days
September 10 days
April 9 days
Warmest months:
August 86.2 °F
September 86.1 °F
July 86.0 °F
Warmest sea temp:
September 85.7 °F
October 85.4 °F
August 85.1 °F
Coldest months:
February 80.2 °F
January 80.2 °F
March 80.7 °F
Rainiest months:
October 8 days
November 6 days
December 6 days
Windiest months:
June 11.5 mph
July 10.4 mph
May 10.2 mph

Port Antonio on a weather map

Current weather
23:19
Port Antonio
+81°F
NW 4 mph
Feels like: +86°F
Precip.: 9%
Places in Jamaica:
Name
°F
Westmoreland
+77°F
Kingston
+75°F
Montego Bay
+81°F
Negril
+77°F
Ocho Rios
+84°F
Port Antonio
+81°F
Runaway Bay
+82°F
24 Hours Forecast
Port Antonio
Local time: 23:19
September 17, thursday
0000
81°F
NW
4 mph
0300
79°F
NW
6 mph
0600
79°F
NW
6 mph
0900
84°F
NW
8 mph
1200
86°F
W
13 mph
1500
84°F
W
14 mph
1800
82°F
W
9 mph
2100
82°F
NW
7 mph
Units of measurement: °C / °F