World Resorts Jamaica Port Antonio Weather

Port Antonio 14 Days Forecast

07.08
fri
Day
86°F
W 11 mph
Precip.
4%
Night
81°F
W 7 mph
Precip.
9%
08.08
sat
Day
86°F
NW 11 mph
Precip.
12%
Night
81°F
NW 7 mph
Precip.
23%
09.08
sun
Day
86°F
W 11 mph
Precip.
4%
Night
81°F
W 5 mph
Precip.
59%
10.08
mon
Day
86°F
NW 17 mph
Precip.
42%
Night
81°F
W 11 mph
Precip.
30%
11.08
tue
Day
86°F
NW 16 mph
Precip.
15%
Night
81°F
NW 9 mph
Precip.
23%
12.08
wed
Day
86°F
W 9 mph
Precip.
25%
Night
81°F
W 11 mph
Precip.
14%
13.08
thu
Day
86°F
NW 15 mph
Precip.
22%
Night
81°F
W 10 mph
Precip.
50%
14.08
fri
Day
86°F
NW 16 mph
Precip.
7%
Night
81°F
W 9 mph
Precip.
28%
15.08
sat
Day
86°F
W 6 mph
Precip.
5%
Night
81°F
W 9 mph
Precip.
28%
16.08
sun
Day
86°F
NW 15 mph
Precip.
25%
Night
79°F
W 4 mph
Precip.
17%
17.08
mon
Day
86°F
NW 9 mph
Precip.
20%
Night
81°F
W 5 mph
Precip.
14%
18.08
tue
Day
86°F
W 7 mph
Precip.
22%
Night
81°F
W 9 mph
Precip.
43%
19.08
wed
Day
86°F
W 14 mph
Precip.
37%
Night
81°F
NW 12 mph
Precip.
32%
20.08
thu
Day
86°F
NW 14 mph
Precip.
9%
Night
81°F
NW 9 mph
Precip.
8%

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 86.0 °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
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
17:00
Port Antonio
+82°F
NW 9 mph
Feels like: +90°F
Precip.: 7%
Places in Jamaica:
Name
°F
Westmoreland
+84°F
Kingston
+88°F
Montego Bay
+82°F
Negril
+84°F
Ocho Rios
+82°F
Port Antonio
+82°F
Runaway Bay
+84°F
24 Hours Forecast
Port Antonio
Local time: 17:00
August 07, friday
1800
82°F
NW
9 mph
2100
81°F
NW
9 mph
August 08, saturday
0000
81°F
W
7 mph
0300
81°F
W
6 mph
0600
81°F
W
6 mph
0900
84°F
NW
7 mph
1200
86°F
NW
11 mph
1500
86°F
NW
14 mph
Units of measurement: °C / °F