World Resorts Jamaica Port Antonio Weather

Port Antonio 14 Days Forecast

18.07
sat
Day
84°F
W 13 mph
Precip.
5%
Night
79°F
NW 10 mph
Precip.
11%
19.07
sun
Day
84°F
W 11 mph
Precip.
22%
Night
79°F
NW 7 mph
Precip.
26%
20.07
mon
Day
84°F
W 12 mph
Precip.
14%
Night
79°F
NW 9 mph
Precip.
19%
21.07
tue
Day
84°F
W 10 mph
Precip.
5%
Night
79°F
W 5 mph
Precip.
21%
22.07
wed
Day
86°F
W 5 mph
Precip.
22%
Night
79°F
NW 9 mph
Precip.
15%
23.07
thu
Day
84°F
W 11 mph
Precip.
19%
Night
79°F
NW 13 mph
Precip.
17%
24.07
fri
Day
84°F
W 17 mph
Precip.
29%
Night
81°F
NW 11 mph
Precip.
9%
25.07
sat
Day
84°F
W 11 mph
Precip.
6%
Night
81°F
NW 8 mph
Precip.
10%
26.07
sun
Day
84°F
W 8 mph
Precip.
14%
Night
81°F
NW 9 mph
Precip.
16%
27.07
mon
Day
84°F
W 14 mph
Precip.
23%
Night
81°F
NW 12 mph
Precip.
31%
28.07
tue
Day
84°F
W 16 mph
Precip.
22%
Night
81°F
NW 13 mph
Precip.
16%
29.07
wed
Day
86°F
W 13 mph
Precip.
9%
Night
81°F
W 9 mph
Precip.
18%
30.07
thu
Day
84°F
W 8 mph
Precip.
29%
Night
81°F
W 9 mph
Precip.
27%
31.07
fri
Day
86°F
NW 14 mph
Precip.
5%
Night
81°F
NW 9 mph
Precip.
9%

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 84.3°F. The highest and lowest sea temperatures during the month were 84.7°F and 83.8°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 86.4°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 86.1 °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
August 7 days
November 6 days
Windiest months:
June 11.5 mph
July 10.4 mph
May 10.2 mph

Port Antonio on a weather map

Current weather
10:07
Port Antonio
+82°F
W 13 mph
Feels like: +90°F
Precip.: 16%
Places in Jamaica:
Name
°F
Westmoreland
+84°F
Kingston
+90°F
Montego Bay
+82°F
Negril
+84°F
Ocho Rios
+84°F
Port Antonio
+82°F
Runaway Bay
+84°F
24 Hours Forecast
Port Antonio
Local time: 10:07
July 18, saturday
1200
84°F
W
13 mph
1500
84°F
W
13 mph
1800
82°F
NW
9 mph
2100
79°F
NW
9 mph
July 19, sunday
0000
79°F
NW
10 mph
0300
79°F
NW
8 mph
0600
79°F
NW
8 mph
0900
82°F
W
10 mph
Units of measurement: °C / °F